{"title":"Manual Chuck","description":"\u003cp data-start=\"153\" data-end=\"204\"\u003eRefined precision — built for today’s machinists.\u003c\/p\u003e\n\u003cp data-start=\"206\" data-end=\"610\"\u003eAt TOP-TOOL, precision is not a claim — it’s a discipline.\u003cbr data-start=\"264\" data-end=\"267\"\u003eEvery manual chuck we produce is engineered to hold tighter, run truer, and last longer, while remaining accessible to workshops of every scale.\u003cbr data-start=\"411\" data-end=\"414\"\u003eOur engineers keep refining every detail — improving balance, optimizing scroll geometry, enhancing surface hardness — so you can focus on perfecting your craft, not compensating for your tools.\u003c\/p\u003e\n\u003cp data-start=\"612\" data-end=\"1079\"\u003eFrom our \u003cstrong data-start=\"621\" data-end=\"630\"\u003e2-jaw\u003c\/strong\u003e, \u003cstrong data-start=\"632\" data-end=\"641\"\u003e3-jaw\u003c\/strong\u003e, \u003cstrong data-start=\"643\" data-end=\"652\"\u003e4-jaw\u003c\/strong\u003e, and \u003cstrong data-start=\"658\" data-end=\"689\"\u003e6-jaw self-centering chucks\u003c\/strong\u003e, to \u003cstrong data-start=\"694\" data-end=\"725\"\u003efour-jaw independent chucks\u003c\/strong\u003e, each model is crafted for specific workholding demands — dependable, repeatable, and affordable.\u003cbr data-start=\"823\" data-end=\"826\"\u003eFor higher precision and flexibility, our advanced series include the \u003cstrong data-start=\"896\" data-end=\"951\"\u003eGeared Scroll Chucks with Individual Jaw Adjustment\u003c\/strong\u003e, and \u003cstrong data-start=\"957\" data-end=\"1007\"\u003eHigh-Precision Adjustment Geared Scroll Chucks\u003c\/strong\u003e, designed to meet exacting tolerances and deliver long-term accuracy.\u003c\/p\u003e\n\u003cp data-start=\"1081\" data-end=\"1319\"\u003eEvery chuck carrying the \u003cstrong data-start=\"1106\" data-end=\"1118\"\u003eTOP-TOOL\u003c\/strong\u003e name stands for value and reliability.\u003cbr data-start=\"1157\" data-end=\"1160\"\u003eEvery chuck carrying the \u003cstrong data-start=\"1185\" data-end=\"1196\"\u003eCHANFOR\u003c\/strong\u003e mark raises that standard — tighter tolerances, enhanced materials, and refined finish — for those who demand even more.\u003c\/p\u003e\n\u003cp data-start=\"1321\" data-end=\"1404\"\u003eBecause precision doesn’t need to be complicated. It just needs to be consistent.\u003c\/p\u003e","products":[{"product_id":"top-tool-professional-3-jaw-self-centering-lathe-chuck-80mm-3-inch-cast-iron-construction-2-63mm-clamping-range-with-internal-external-jaws-and-t-key","title":"TOP-TOOL Professional 3-Jaw Self-Centering Lathe Chuck, 80mm\/3-inch, Cast Iron Construction, 2-63mm Clamping Range with Internal External Jaws and T-Key","description":"\u003ch2\u003eProfessional 80mm \/ 3-Inch 3-Jaw Self-Centering Lathe Chuck\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL Professional 80mm 3-Jaw Self-Centering Lathe Chuck is precision-engineered for mini lathes and small workshops. Built with a \u003cstrong\u003eHT300 Cast Iron body\u003c\/strong\u003e and \u003cstrong\u003eAISI 5140 alloy steel scroll\u003c\/strong\u003e, it delivers superior rigidity, vibration damping, and long-term accuracy for hobbyists and machinists alike.\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52-58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43-48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45-50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eHT100 \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHT300 Cast Iron Body:\u003c\/strong\u003e Higher-grade grey cast iron compared to standard HT200, providing superior rigidity and vibration damping for smoother cuts and better surface finishes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 alloy steel scroll plate (HRC 43-48) and bevel gears (HRC 45-50) ensure smooth, precise jaw movement and long service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52-58):\u003c\/strong\u003e AISI 1045 carbon steel jaws are through-hardened for maximum grip strength and wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Every chuck is tested with standard test bars at 4 different diameters. Repeatability ≤0.05mm (0.002\") guaranteed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e 3× M6 mounting holes. \u003cem\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Requires a separate adapter plate matched to your lathe spindle. Please verify your spindle type before ordering.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes External \u0026amp; Internal Jaws:\u003c\/strong\u003e Supplied with both external jaws (2–55mm) and internal jaws for hollow workpiece gripping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key Included:\u003c\/strong\u003e Heavy-duty T-handle key. \u003cem\u003eSafety: Always remove the key before starting the lathe.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e80mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping Range (External)\u003c\/td\u003e\n\u003ctd\u003e2 – 55mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2\u003c\/td\u003e\n\u003ctd\u003e66mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3\u003c\/td\u003e\n\u003ctd\u003e16mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Length (H)\u003c\/td\u003e\n\u003ctd\u003e66mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaw Step Height (h)\u003c\/td\u003e\n\u003ctd\u003e3.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Thread (z-d)\u003c\/td\u003e\n\u003ctd\u003e3× M6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e1.7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eEach jaw and the chuck body are marked with matching numbers (1, 2, 3). Simply align the numbered jaw with the corresponding slot on the chuck body to prevent misalignment and ensure accurate concentricity.\u003c\/p\u003e\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cp\u003eThis chuck is compatible with multiple machine tools:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLathe:\u003c\/strong\u003e General turning, facing, drilling, and boring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilling Machine:\u003c\/strong\u003e Workpiece holding for milling operations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilling Machine:\u003c\/strong\u003e Precision drilling setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Machine:\u003c\/strong\u003e Light CNC turning and production work\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eThis 80mm chuck is ideal for \u003cstrong\u003emini lathes and benchtop lathes\u003c\/strong\u003e. \u003cbr\u003e\u003cstrong\u003eRule of Thumb:\u003c\/strong\u003e Choose a chuck where your lathe's \u003cem\u003eswing diameter is larger than the chuck's outer diameter\u003c\/em\u003e. Allow extra clearance for jaw overhang when gripping large workpieces. For an 80mm chuck, a lathe swing of ≥100mm is recommended.\u003c\/p\u003e\n\u003ch3\u003eMaintenance \u0026amp; Care\u003c\/h3\u003e\n\u003cp\u003eTo ensure longevity and smooth operation:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eClean chips and debris from the scroll and jaw slides regularly.\u003c\/li\u003e\n\u003cli\u003eLubricate the scroll plate and bevel gears with \u003cstrong\u003eMolybdenum Disulfide (MoS2) grease\u003c\/strong\u003e every few months. Avoid heavy oils that attract dust.\u003c\/li\u003e\n\u003cli\u003eStore in a dry environment to prevent rust on the precision-ground jaws.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":45666680242361,"sku":"49-04HP-J5ZT","price":75.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11_5a1a65a2-8160-4b8c-910c-34a6a8a6275c.png?v=1776036995"},{"product_id":"top-tool-professional-3-jaw-self-centering-lathe-chuck-100mm-4-inch-cast-iron-construction-2-80mm-clamping-range-with-internal-external-jaws-and-t-key","title":"TOP-TOOL Professional 3-Jaw Self-Centering Lathe Chuck, 100mm\/4-inch, Cast Iron Construction, 2-80mm Clamping Range with Internal External Jaws and T-Key","description":"\u003ch2\u003eProfessional 100mm \/ 4-Inch 3-Jaw Self-Centering Lathe Chuck\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL Professional 100mm 3-Jaw Self-Centering Lathe Chuck is the versatile workhorse for small to medium metal lathes. Built with a \u003cstrong\u003eHT300 Cast Iron body\u003c\/strong\u003e and \u003cstrong\u003eAISI 5140 alloy steel scroll\u003c\/strong\u003e, it combines self-centering speed with the precision needed for general-purpose turning.\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52-58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43-48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45-50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eHT100 \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHT300 Cast Iron Construction:\u003c\/strong\u003e High-grade grey cast iron provides superior vibration damping and rigidity for smoother cuts and better surface finishes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 alloy steel scroll (HRC 43-48) and bevel gears (HRC 45-50) for smooth, precise operation and long service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52-58):\u003c\/strong\u003e AISI 1045 carbon steel jaws through-hardened for maximum grip strength and wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Every chuck tested with 4 different diameter test bars. Repeatability ≤0.05mm (0.002\").\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e 3× M8 mounting holes. \u003cem\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Requires a separate adapter plate compatible with your lathe's spindle nose.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes External \u0026amp; Internal Jaws:\u003c\/strong\u003e Comes with both external jaws (3–72mm) and internal jaws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key Included:\u003c\/strong\u003e Robust T-handle key. Remove before operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping Range (External)\u003c\/td\u003e\n\u003ctd\u003e3 – 72mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2\u003c\/td\u003e\n\u003ctd\u003e84mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3\u003c\/td\u003e\n\u003ctd\u003e22mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Length (H)\u003c\/td\u003e\n\u003ctd\u003e74.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1\u003c\/td\u003e\n\u003ctd\u003e55mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaw Step Height (h)\u003c\/td\u003e\n\u003ctd\u003e3.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Thread (z-d)\u003c\/td\u003e\n\u003ctd\u003e3× M8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e3.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eNumbered jaws (1, 2, 3) match the chuck body slots for quick, accurate installation. Prevents misalignment and ensures optimal concentricity.\u003c\/p\u003e\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLathe:\u003c\/strong\u003e General turning, facing, drilling, boring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilling Machine:\u003c\/strong\u003e Workpiece holding for milling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilling Machine:\u003c\/strong\u003e Precision drilling setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Machine:\u003c\/strong\u003e Light CNC turning and production\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eSuitable for \u003cstrong\u003esmall benchtop lathes\u003c\/strong\u003e. \u003cbr\u003e\u003cstrong\u003eSizing Rule:\u003c\/strong\u003e Lathe swing diameter \u0026gt; Chuck diameter (100mm). Allow clearance for jaw extension. A swing of ≥130mm is ideal.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eRegularly clean the scroll mechanism and apply \u003cstrong\u003eMolybdenum Disulfide (MoS2) grease\u003c\/strong\u003e to the scroll teeth and bevel gears. Store in a dry environment.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":45882791428281,"sku":"4I-UM1D-RU34","price":75.51,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11.png?v=1776470136"},{"product_id":"top-tool-professional-3-jaw-self-centering-lathe-chuck-125mm-5-inch-cast-iron-construction-2-80mm-clamping-range-with-internal-external-jaws-and-t-key","title":"TOP-TOOL Professional 3-Jaw Self-Centering Lathe Chuck, 125mm\/5-inch, Cast Iron Construction, 2-80mm Clamping Range with Internal External Jaws and T-Key","description":"\u003ch2\u003eProfessional 125mm \/ 5-Inch 3-Jaw Self-Centering Lathe Chuck\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL Professional 125mm (5-inch) chuck bridges the gap between hobby and light-industrial turning. \u003cstrong\u003eHT300 Cast Iron\u003c\/strong\u003e construction with \u003cstrong\u003eAISI 5140 alloy steel scroll\u003c\/strong\u003e handles medium-duty cuts with precision and stability.\u003c\/p\u003e\n\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52-58\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43-48\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45-50\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eHT100 \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHT300 Cast Iron Body:\u003c\/strong\u003e Superior rigidity and vibration damping for medium lathes. Reduces chatter during heavy facing and turning.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 alloy steel scroll (HRC 43-48) and bevel gears (HRC 45-50) for smooth, precise operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52-58):\u003c\/strong\u003e AISI 1045 carbon steel jaws through-hardened for maximum grip strength.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Every chuck tested with 4 different diameter test bars. Repeatability ≤0.05mm (0.002\").\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e 3× M8 mounting pattern. \u003cem\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Requires an adapter plate matched to your lathe spindle.\u003c\/em\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes External \u0026amp; Internal Jaws:\u003c\/strong\u003e Supplied with both external jaws (5–95mm) and internal jaws.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eT-Key Included:\u003c\/strong\u003e Secure tightening. Remove before running.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e125mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eClamping Range (External)\u003c\/td\u003e\n\u003ctd\u003e5 – 95mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD2\u003c\/td\u003e\n\u003ctd\u003e108mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD3\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBody Length (H)\u003c\/td\u003e\n\u003ctd\u003e78mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eH1\u003c\/td\u003e\n\u003ctd\u003e55mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eJaw Step Height (h)\u003c\/td\u003e\n\u003ctd\u003e3.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMounting Thread (z-d)\u003c\/td\u003e\n\u003ctd\u003e3× M8\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e4.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eNumbered jaws (1, 2, 3) match the chuck body slots for quick, accurate installation. Prevents misalignment and ensures optimal concentricity.\u003c\/p\u003e\n\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLathe:\u003c\/strong\u003e General turning, facing, drilling, boring\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMilling Machine:\u003c\/strong\u003e Workpiece holding for milling\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrilling Machine:\u003c\/strong\u003e Precision drilling setups\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCNC Machine:\u003c\/strong\u003e Light CNC turning and production\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eDesigned for \u003cstrong\u003emedium benchtop lathes\u003c\/strong\u003e. \u003cbr\u003e\n\u003cstrong\u003eSizing Rule:\u003c\/strong\u003e Lathe swing diameter \u0026gt; Chuck diameter (125mm). For safe operation with jaw overhang, a swing of ≥160mm is recommended.\u003c\/p\u003e\n\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eKeep the scroll clean. Lubricate with \u003cstrong\u003eMolybdenum Disulfide (MoS2) grease\u003c\/strong\u003e periodically. Store in a dry environment.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":45882933739705,"sku":"G3-S23P-1BO0","price":86.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11_5a1a65a2-8160-4b8c-910c-34a6a8a6275c.png?v=1776036995"},{"product_id":"top-tool-professional-3-jaw-self-centering-lathe-chuck-160mm-6-inch-cast-iron-construction-2-80mm-clamping-range-with-internal-external-jaws-and-t-key","title":"TOP-TOOL Professional 3-Jaw Self-Centering Lathe Chuck, 160mm\/6-inch, Cast Iron Construction, 2-80mm Clamping Range with Internal External Jaws and T-Key","description":"\u003ch2\u003eProfessional 160mm \/ 6-Inch 3-Jaw Self-Centering Lathe Chuck\u003c\/h2\u003e\n\u003cp\u003eBuilt for \u003cstrong\u003emedium to large metal lathes\u003c\/strong\u003e, the TOP-TOOL 160mm chuck delivers heavy-duty gripping power and precision. \u003cstrong\u003eHT300 Cast Iron\u003c\/strong\u003e construction with \u003cstrong\u003eAISI 5140 alloy steel scroll\u003c\/strong\u003e ensures stability during demanding turning operations.\u003c\/p\u003e\n\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52-58\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43-48\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45-50\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eHT100 \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron:\u003c\/strong\u003e Superior mass and damping for large workpieces and heavy cuts. Minimizes chatter and improves finish.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 alloy steel scroll (HRC 43-48) and bevel gears (HRC 45-50) for smooth, precise operation under heavy loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52-58):\u003c\/strong\u003e AISI 1045 carbon steel jaws through-hardened for maximum grip strength and wear resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Every chuck tested with 4 different diameter test bars. Repeatability ≤0.05mm (0.002\").\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e 3× M8 mounting holes. \u003cem\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Adapter plate required for spindle connection. Not included.\u003c\/em\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes External \u0026amp; Internal Jaws:\u003c\/strong\u003e Comes with both external jaws (8–130mm) and internal jaws for hollow parts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eT-Key Included:\u003c\/strong\u003e Heavy-duty key for secure locking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e160mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eClamping Range (External)\u003c\/td\u003e\n\u003ctd\u003e8 – 130mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD2\u003c\/td\u003e\n\u003ctd\u003e142mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD3\u003c\/td\u003e\n\u003ctd\u003e45mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBody Length (H)\u003c\/td\u003e\n\u003ctd\u003e95mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eH1\u003c\/td\u003e\n\u003ctd\u003e65mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eJaw Step Height (h)\u003c\/td\u003e\n\u003ctd\u003e5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMounting Thread (z-d)\u003c\/td\u003e\n\u003ctd\u003e3× M8\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e8.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eNumbered jaws (1, 2, 3) match the chuck body slots for quick, accurate installation. Prevents misalignment and ensures optimal concentricity.\u003c\/p\u003e\n\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLathe:\u003c\/strong\u003e Heavy-duty turning, facing, drilling, boring\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMilling Machine:\u003c\/strong\u003e Workpiece holding for milling\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrilling Machine:\u003c\/strong\u003e Precision drilling setups\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCNC Machine:\u003c\/strong\u003e CNC turning and production work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eIdeal for \u003cstrong\u003emedium-large lathes\u003c\/strong\u003e (10\"+ swing). \u003cbr\u003e\n\u003cstrong\u003eSizing Rule:\u003c\/strong\u003e Lathe swing diameter must exceed chuck diameter (160mm). Allow clearance for jaw extension. A swing of ≥200mm is recommended for full capacity usage.\u003c\/p\u003e\n\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean regularly. Apply \u003cstrong\u003eMolybdenum Disulfide (MoS2) grease\u003c\/strong\u003e to the scroll and bevel gears to ensure smooth operation and extend service life.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":45883003830457,"sku":"7E-YVCE-DJYX","price":129.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11_5a1a65a2-8160-4b8c-910c-34a6a8a6275c.png?v=1776036995"},{"product_id":"top-tool-200mm-8in-3-jaw-self-centering-lathe-chuck-solid-jaws-outside-mounted-inside-set-t-key-plain-back","title":"TOP-TOOL Professional 3-Jaw Self-Centering Lathe Chuck, 200mm \/ 8-Inch, Clamping Range 4–200 mm (0.16–7.87 in), Solid One-Piece Jaws, Outside Jaws Mounted + Inside Jaw Set, T-Key, Plain Back","description":"\u003ch2\u003eProfessional 200mm \/ 7.87-Inch 3-Jaw Self-Centering Lathe Chuck (Solid One-Piece Jaws)\u003c\/h2\u003e\n\u003cp\u003eBuilt for \u003cstrong\u003emetal lathes, wood lathes, drill presses, milling machines, CNC machining centers, grinders\u003c\/strong\u003e, and other equipment that needs \u003cstrong\u003eself-centering workholding\u003c\/strong\u003e. The TOP-TOOL 200 mm chuck delivers rigid gripping when mounted with the correct \u003cstrong\u003eadapter plate or fixture\u003c\/strong\u003e. \u003cstrong\u003eHT300 cast iron\u003c\/strong\u003e body, \u003cstrong\u003eAISI 5140\u003c\/strong\u003e scroll and bevel gears, \u003cstrong\u003eAISI 1045\u003c\/strong\u003e jaws. \u003cstrong\u003eOverall clamping envelope 4–200 mm (0.16–7.87 in)\u003c\/strong\u003e across the three modes below.\u003c\/p\u003e\n\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eAluminum \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 4–85 mm gripping on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 65–200 mm internal gripping (boring-style holding).\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 65–200 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e4–200 mm (0.16–7.87 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron:\u003c\/strong\u003e High mass and damping for large workpieces and heavy cuts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 scroll (HRC 43–48) and bevel gears (HRC 45–50).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58):\u003c\/strong\u003e AISI 1045 for grip and wear resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Checked with \u003cstrong\u003efour different test bars\u003c\/strong\u003e as part of our acceptance process. Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e \u003cstrong\u003eD1 = 165 mm\u003c\/strong\u003e locating register, recess depth \u003cstrong\u003eh = 5 mm\u003c\/strong\u003e; \u003cstrong\u003eD2 = 180 mm\u003c\/strong\u003e bolt circle; \u003cstrong\u003e3× M10\u003c\/strong\u003e mounting holes. Machine your adapter to match \u003cstrong\u003eD1\/D2\u003c\/strong\u003e. \u003cem\u003eAdapter plate not included.\u003c\/em\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolid One-Piece Jaws:\u003c\/strong\u003e Outside jaws are \u003cstrong\u003epre-mounted\u003c\/strong\u003e on the chuck. A \u003cstrong\u003eseparate inside (reverse) solid jaw set\u003c\/strong\u003e is included in the box (not a duplicate of the mounted set).\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003eone-piece solid jaws\u003c\/strong\u003e. For chucks with \u003cstrong\u003etwo-piece master and top jaws\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions per factory charts \u003cstrong\u003eDimensions.webp\u003c\/strong\u003e \/ \u003cstrong\u003eDimensions-2.webp\u003c\/strong\u003e; clamping per \u003cstrong\u003eclamping-range\u003c\/strong\u003e chart.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e200 mm (7.87 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD1 (register \/ locating recess diameter)\u003c\/td\u003e\n\u003ctd\u003e165 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eh (depth of D1 register recess)\u003c\/td\u003e\n\u003ctd\u003e5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e180 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD3 (through hole diameter)\u003c\/td\u003e\n\u003ctd\u003e65 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eH (total thickness: body + jaws)\u003c\/td\u003e\n\u003ctd\u003e109 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eH1 (body thickness only, excluding jaw height)\u003c\/td\u003e\n\u003ctd\u003e75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eH2\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eClamping (outside jaws, standard OD)\u003c\/td\u003e\n\u003ctd\u003e4 – 85 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eClamping (inside expand, same outside jaws)\u003c\/td\u003e\n\u003ctd\u003e65 – 200 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eClamping (outside with reverse jaws)\u003c\/td\u003e\n\u003ctd\u003e65 – 200 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eOverall span (reference)\u003c\/td\u003e\n\u003ctd\u003e4 – 200 mm (0.16 – 7.87 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e3× M10\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05 mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e15.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eJaws and body are numbered (1, 2, 3) so each jaw matches its slide—faster setup and better concentricity.\u003c\/p\u003e\n\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMetal lathe:\u003c\/strong\u003e Turning, facing, drilling, boring (with correct adapter).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWood lathe:\u003c\/strong\u003e Where spindle and safety requirements allow.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMilling machine \/ machining center:\u003c\/strong\u003e On suitable arbors or fixtures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrilling machine:\u003c\/strong\u003e Concentric holding.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCNC:\u003c\/strong\u003e Production use where applicable.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrinder:\u003c\/strong\u003e When speed-rated and safely mounted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eMachine \u003cstrong\u003eswing or envelope\u003c\/strong\u003e must clear the chuck body and fully opened jaws. Plan a comfortable margin above nominal diameter \u003cstrong\u003eD\u003c\/strong\u003e. Your adapter must match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern listed above.\u003c\/p\u003e\n\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean regularly. Apply \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e to the scroll and bevel gears.\u003c\/p\u003e\n\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Observe safe speeds for chuck size and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46878641389753,"sku":null,"price":173.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11_5a1a65a2-8160-4b8c-910c-34a6a8a6275c.png?v=1776036995"},{"product_id":"top-tool-250mm-3-jaw-self-centering-solid-one-piece-jaws-clamping-6-250mm-plain-back","title":"TOP-TOOL Professional 3-Jaw Self-Centering Lathe Chuck, 250mm \/ 10-Inch, Clamping Range 6–250 mm (0.24–9.84 in), Solid One-Piece Jaws, Outside Jaws Mounted + Inside Jaw Set, T-Key, Plain Back","description":"\u003ch2\u003eProfessional 250mm \/ 10-Inch 3-Jaw Self-Centering Lathe Chuck (Solid One-Piece Jaws)\u003c\/h2\u003e\n\u003cp\u003eBuilt for \u003cstrong\u003emetal lathes, wood lathes, drill presses, milling machines, CNC machining centers, grinders\u003c\/strong\u003e, and other equipment that needs \u003cstrong\u003eself-centering workholding\u003c\/strong\u003e. The TOP-TOOL 250 mm chuck delivers rigid gripping when mounted with the correct \u003cstrong\u003eadapter plate or fixture\u003c\/strong\u003e. \u003cstrong\u003eHT300 cast iron\u003c\/strong\u003e body, \u003cstrong\u003eAISI 5140\u003c\/strong\u003e scroll and bevel gears, \u003cstrong\u003eAISI 1045\u003c\/strong\u003e jaws. \u003cstrong\u003eOverall clamping envelope 6–250 mm (0.24–9.84 in)\u003c\/strong\u003e across the three modes below.\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eAluminum \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 6–110 mm gripping on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 80–250 mm internal gripping (boring-style holding).\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 90–250 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e6–250 mm (0.24–9.84 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron:\u003c\/strong\u003e High mass and damping for large workpieces and heavy cuts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 scroll (HRC 43–48) and bevel gears (HRC 45–50).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58):\u003c\/strong\u003e AISI 1045 for grip and wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Checked with \u003cstrong\u003efour different test bars\u003c\/strong\u003e as part of our acceptance process. Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e \u003cstrong\u003eD1 = 206 mm\u003c\/strong\u003e locating register, recess depth \u003cstrong\u003eh = 5 mm\u003c\/strong\u003e; \u003cstrong\u003eD2 = 226 mm\u003c\/strong\u003e bolt circle; \u003cstrong\u003e3× M12\u003c\/strong\u003e mounting holes. Machine your adapter to match \u003cstrong\u003eD1\/D2\u003c\/strong\u003e. \u003cem\u003eAdapter plate not included.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid One-Piece Jaws:\u003c\/strong\u003e Outside jaws are \u003cstrong\u003epre-mounted\u003c\/strong\u003e on the chuck. A \u003cstrong\u003eseparate inside (reverse) solid jaw set\u003c\/strong\u003e is included in the box (not a duplicate of the mounted set).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003eone-piece solid jaws\u003c\/strong\u003e. For chucks with \u003cstrong\u003etwo-piece master and top jaws\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions per factory charts \u003cstrong\u003eDimensions.webp\u003c\/strong\u003e \/ \u003cstrong\u003eDimensions-2.webp\u003c\/strong\u003e; clamping per \u003cstrong\u003eclamping-range\u003c\/strong\u003e chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e250 mm (9.84 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (register \/ locating recess diameter)\u003c\/td\u003e\n\u003ctd\u003e206 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (depth of D1 register recess)\u003c\/td\u003e\n\u003ctd\u003e5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e226 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole diameter)\u003c\/td\u003e\n\u003ctd\u003e80 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (total thickness: body + jaws)\u003c\/td\u003e\n\u003ctd\u003e120 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness only, excluding jaw height)\u003c\/td\u003e\n\u003ctd\u003e80 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH2\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside jaws, standard OD)\u003c\/td\u003e\n\u003ctd\u003e6 – 110 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (inside expand, same outside jaws)\u003c\/td\u003e\n\u003ctd\u003e80 – 250 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside with reverse jaws)\u003c\/td\u003e\n\u003ctd\u003e90 – 250 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall span (reference)\u003c\/td\u003e\n\u003ctd\u003e6 – 250 mm (0.24 – 9.84 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e3× M12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05 mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e25.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eJaws and body are numbered (1, 2, 3) so each jaw matches its slide—faster setup and better concentricity.\u003c\/p\u003e\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal lathe:\u003c\/strong\u003e Turning, facing, drilling, boring (with correct adapter).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWood lathe:\u003c\/strong\u003e Where spindle and safety requirements allow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilling machine \/ machining center:\u003c\/strong\u003e On suitable arbors or fixtures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilling machine:\u003c\/strong\u003e Concentric holding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC:\u003c\/strong\u003e Production use where applicable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrinder:\u003c\/strong\u003e When speed-rated and safely mounted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eMachine \u003cstrong\u003eswing or envelope\u003c\/strong\u003e must clear the chuck body and fully opened jaws. Plan a comfortable margin above nominal diameter \u003cstrong\u003eD\u003c\/strong\u003e. Your adapter must match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern listed above.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean regularly. Apply \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e to the scroll and bevel gears.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Observe safe speeds for chuck size and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46878833770681,"sku":null,"price":235.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11_5a1a65a2-8160-4b8c-910c-34a6a8a6275c.png?v=1776036995"},{"product_id":"top-tool-250mm-3-jaw-self-centering-two-piece-jaws-clamping-6-250mm-plain-back","title":"TOP-TOOL Professional 3-Jaw Self-Centering Lathe Chuck, 250mm \/ 10-Inch, Clamping Range 6–250 mm (0.24–9.84 in), Two-Piece Jaws (Master + Reversible Top Jaws), Pre-Mounted Set, T-Key, Plain Back","description":"\u003ch2\u003eProfessional 250mm \/ 10-Inch 3-Jaw Self-Centering Lathe Chuck (Two-Piece Jaws (Master + Reversible Top Jaws))\u003c\/h2\u003e\n\u003cp\u003eBuilt for \u003cstrong\u003emetal lathes, wood lathes, drill presses, milling machines, CNC machining centers, grinders\u003c\/strong\u003e, and other equipment that needs \u003cstrong\u003eself-centering workholding\u003c\/strong\u003e. The TOP-TOOL 250 mm chuck delivers rigid gripping when mounted with the correct \u003cstrong\u003eadapter plate or fixture\u003c\/strong\u003e. \u003cstrong\u003eHT300 cast iron\u003c\/strong\u003e body, \u003cstrong\u003eAISI 5140\u003c\/strong\u003e scroll and bevel gears, \u003cstrong\u003eAISI 1045\u003c\/strong\u003e jaws. \u003cstrong\u003eOverall clamping envelope 6–250 mm (0.24–9.84 in)\u003c\/strong\u003e across the three modes below.\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eAluminum \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 6–110 mm gripping on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 80–250 mm internal gripping (boring-style holding).\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 90–250 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e6–250 mm (0.24–9.84 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron:\u003c\/strong\u003e High mass and damping for large workpieces and heavy cuts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 scroll (HRC 43–48) and bevel gears (HRC 45–50).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58):\u003c\/strong\u003e AISI 1045 for grip and wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Checked with \u003cstrong\u003efour different test bars\u003c\/strong\u003e as part of our acceptance process. Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e \u003cstrong\u003eD1 = 206 mm\u003c\/strong\u003e locating register, recess depth \u003cstrong\u003eh = 5 mm\u003c\/strong\u003e; \u003cstrong\u003eD2 = 226 mm\u003c\/strong\u003e bolt circle; \u003cstrong\u003e3× M12\u003c\/strong\u003e mounting holes. Machine your adapter to match \u003cstrong\u003eD1\/D2\u003c\/strong\u003e. \u003cem\u003eAdapter plate not included.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Piece Jaw System:\u003c\/strong\u003e Master jaws with \u003cstrong\u003ereversible top jaws\u003c\/strong\u003e pre-mounted—configure for OD or ID work per the jaw instructions. \u003cstrong\u003eNo second full jaw kit\u003c\/strong\u003e is included in the box (not the same packaging as solid-jaw models).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003etwo-piece jaws\u003c\/strong\u003e (master jaws + top jaws). For \u003cstrong\u003esolid outside\/inside jaw sets\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions per factory charts \u003cstrong\u003eDimensions.webp\u003c\/strong\u003e \/ \u003cstrong\u003eDimensions-2.webp\u003c\/strong\u003e; clamping per \u003cstrong\u003eclamping-range\u003c\/strong\u003e chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e250 mm (9.84 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (register \/ locating recess diameter)\u003c\/td\u003e\n\u003ctd\u003e206 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (depth of D1 register recess)\u003c\/td\u003e\n\u003ctd\u003e5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e226 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole diameter)\u003c\/td\u003e\n\u003ctd\u003e80 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (total thickness: body + jaws)\u003c\/td\u003e\n\u003ctd\u003e130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness only, excluding jaw height)\u003c\/td\u003e\n\u003ctd\u003e80 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH2\u003c\/td\u003e\n\u003ctd\u003e84 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside jaws, standard OD)\u003c\/td\u003e\n\u003ctd\u003e6 – 110 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (inside expand, same outside jaws)\u003c\/td\u003e\n\u003ctd\u003e80 – 250 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside with reverse jaws)\u003c\/td\u003e\n\u003ctd\u003e90 – 250 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall span (reference)\u003c\/td\u003e\n\u003ctd\u003e6 – 250 mm (0.24 – 9.84 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e3× M12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05 mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e23.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eJaws and body are numbered (1, 2, 3) so each jaw matches its slide—faster setup and better concentricity.\u003c\/p\u003e\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal lathe:\u003c\/strong\u003e Turning, facing, drilling, boring (with correct adapter).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWood lathe:\u003c\/strong\u003e Where spindle and safety requirements allow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilling machine \/ machining center:\u003c\/strong\u003e On suitable arbors or fixtures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilling machine:\u003c\/strong\u003e Concentric holding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC:\u003c\/strong\u003e Production use where applicable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrinder:\u003c\/strong\u003e When speed-rated and safely mounted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eMachine \u003cstrong\u003eswing or envelope\u003c\/strong\u003e must clear the chuck body and fully opened jaws. Plan a comfortable margin above nominal diameter \u003cstrong\u003eD\u003c\/strong\u003e. Your adapter must match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern listed above.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean regularly. Apply \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e to the scroll and bevel gears.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Observe safe speeds for chuck size and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46878833836217,"sku":null,"price":264.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11C.png?v=1776042178"},{"product_id":"top-tool-320mm-3-jaw-self-centering-solid-one-piece-jaws-clamping-11p5-320mm-plain-back","title":"TOP-TOOL Professional 3-Jaw Self-Centering Lathe Chuck, 320mm \/ 12-Inch, Clamping Range 11.5–320 mm (0.45–12.60 in), Solid One-Piece Jaws, Outside Jaws Mounted + Inside Jaw Set, T-Key, Plain Back","description":"\u003ch2\u003eProfessional 320mm \/ 12-Inch 3-Jaw Self-Centering Lathe Chuck (Solid One-Piece Jaws)\u003c\/h2\u003e\n\u003cp\u003eBuilt for \u003cstrong\u003emetal lathes, wood lathes, drill presses, milling machines, CNC machining centers, grinders\u003c\/strong\u003e, and other equipment that needs \u003cstrong\u003eself-centering workholding\u003c\/strong\u003e. The TOP-TOOL 320 mm chuck delivers rigid gripping when mounted with the correct \u003cstrong\u003eadapter plate or fixture\u003c\/strong\u003e. \u003cstrong\u003eHT300 cast iron\u003c\/strong\u003e body, \u003cstrong\u003eAISI 5140\u003c\/strong\u003e scroll and bevel gears, \u003cstrong\u003eAISI 1045\u003c\/strong\u003e jaws. \u003cstrong\u003eOverall clamping envelope 11.5–320 mm (0.45–12.60 in)\u003c\/strong\u003e across the three modes below.\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eAluminum \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 11.5–145 mm gripping on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 95–320 mm internal gripping (boring-style holding).\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 110–320 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e11.5–320 mm (0.45–12.60 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron:\u003c\/strong\u003e High mass and damping for large workpieces and heavy cuts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 scroll (HRC 43–48) and bevel gears (HRC 45–50).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58):\u003c\/strong\u003e AISI 1045 for grip and wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Checked with \u003cstrong\u003efour different test bars\u003c\/strong\u003e as part of our acceptance process. Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e \u003cstrong\u003eD1 = 265 mm\u003c\/strong\u003e locating register, recess depth \u003cstrong\u003eh = 7.5 mm\u003c\/strong\u003e; \u003cstrong\u003eD2 = 290 mm\u003c\/strong\u003e bolt circle; \u003cstrong\u003e3× M16\u003c\/strong\u003e mounting holes. Machine your adapter to match \u003cstrong\u003eD1\/D2\u003c\/strong\u003e. \u003cem\u003eAdapter plate not included.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid One-Piece Jaws:\u003c\/strong\u003e Outside jaws are \u003cstrong\u003epre-mounted\u003c\/strong\u003e on the chuck. A \u003cstrong\u003eseparate inside (reverse) solid jaw set\u003c\/strong\u003e is included in the box (not a duplicate of the mounted set).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003eone-piece solid jaws\u003c\/strong\u003e. For chucks with \u003cstrong\u003etwo-piece master and top jaws\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions per factory charts \u003cstrong\u003eDimensions.webp\u003c\/strong\u003e \/ \u003cstrong\u003eDimensions-2.webp\u003c\/strong\u003e; clamping per \u003cstrong\u003eclamping-range\u003c\/strong\u003e chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e320 mm (12.60 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (register \/ locating recess diameter)\u003c\/td\u003e\n\u003ctd\u003e265 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (depth of D1 register recess)\u003c\/td\u003e\n\u003ctd\u003e7.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e290 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole diameter)\u003c\/td\u003e\n\u003ctd\u003e100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (total thickness: body + jaws)\u003c\/td\u003e\n\u003ctd\u003e155 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness only, excluding jaw height)\u003c\/td\u003e\n\u003ctd\u003e90 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH2\u003c\/td\u003e\n\u003ctd\u003e96 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside jaws, standard OD)\u003c\/td\u003e\n\u003ctd\u003e11.5 – 145 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (inside expand, same outside jaws)\u003c\/td\u003e\n\u003ctd\u003e95 – 320 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside with reverse jaws)\u003c\/td\u003e\n\u003ctd\u003e110 – 320 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall span (reference)\u003c\/td\u003e\n\u003ctd\u003e11.5 – 320 mm (0.45 – 12.60 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e3× M16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05 mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e40.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eJaws and body are numbered (1, 2, 3) so each jaw matches its slide—faster setup and better concentricity.\u003c\/p\u003e\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal lathe:\u003c\/strong\u003e Turning, facing, drilling, boring (with correct adapter).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWood lathe:\u003c\/strong\u003e Where spindle and safety requirements allow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilling machine \/ machining center:\u003c\/strong\u003e On suitable arbors or fixtures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilling machine:\u003c\/strong\u003e Concentric holding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC:\u003c\/strong\u003e Production use where applicable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrinder:\u003c\/strong\u003e When speed-rated and safely mounted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eMachine \u003cstrong\u003eswing or envelope\u003c\/strong\u003e must clear the chuck body and fully opened jaws. Plan a comfortable margin above nominal diameter \u003cstrong\u003eD\u003c\/strong\u003e. Your adapter must match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern listed above.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean regularly. Apply \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e to the scroll and bevel gears.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Observe safe speeds for chuck size and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46878833934521,"sku":null,"price":536.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11_5a1a65a2-8160-4b8c-910c-34a6a8a6275c.png?v=1776036995"},{"product_id":"top-tool-320mm-3-jaw-self-centering-two-piece-jaws-clamping-11p5-320mm-plain-back","title":"TOP-TOOL Professional 3-Jaw Self-Centering Lathe Chuck, 320mm \/ 12-Inch, Clamping Range 11.5–320 mm (0.45–12.60 in), Two-Piece Jaws (Master + Reversible Top Jaws), Pre-Mounted Set, T-Key, Plain Back","description":"\u003ch2\u003eProfessional 320mm \/ 12-Inch 3-Jaw Self-Centering Lathe Chuck (Two-Piece Jaws (Master + Reversible Top Jaws))\u003c\/h2\u003e\n\u003cp\u003eBuilt for \u003cstrong\u003emetal lathes, wood lathes, drill presses, milling machines, CNC machining centers, grinders\u003c\/strong\u003e, and other equipment that needs \u003cstrong\u003eself-centering workholding\u003c\/strong\u003e. The TOP-TOOL 320 mm chuck delivers rigid gripping when mounted with the correct \u003cstrong\u003eadapter plate or fixture\u003c\/strong\u003e. \u003cstrong\u003eHT300 cast iron\u003c\/strong\u003e body, \u003cstrong\u003eAISI 5140\u003c\/strong\u003e scroll and bevel gears, \u003cstrong\u003eAISI 1045\u003c\/strong\u003e jaws. \u003cstrong\u003eOverall clamping envelope 11.5–320 mm (0.45–12.60 in)\u003c\/strong\u003e across the three modes below.\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eAluminum \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 11.5–145 mm gripping on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 95–320 mm internal gripping (boring-style holding).\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 110–320 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e11.5–320 mm (0.45–12.60 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron:\u003c\/strong\u003e High mass and damping for large workpieces and heavy cuts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 scroll (HRC 43–48) and bevel gears (HRC 45–50).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58):\u003c\/strong\u003e AISI 1045 for grip and wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Checked with \u003cstrong\u003efour different test bars\u003c\/strong\u003e as part of our acceptance process. Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e \u003cstrong\u003eD1 = 265 mm\u003c\/strong\u003e locating register, recess depth \u003cstrong\u003eh = 7.5 mm\u003c\/strong\u003e; \u003cstrong\u003eD2 = 290 mm\u003c\/strong\u003e bolt circle; \u003cstrong\u003e3× M16\u003c\/strong\u003e mounting holes. Machine your adapter to match \u003cstrong\u003eD1\/D2\u003c\/strong\u003e. \u003cem\u003eAdapter plate not included.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Piece Jaw System:\u003c\/strong\u003e Master jaws with \u003cstrong\u003ereversible top jaws\u003c\/strong\u003e pre-mounted—configure for OD or ID work per the jaw instructions. \u003cstrong\u003eNo second full jaw kit\u003c\/strong\u003e is included in the box (not the same packaging as solid-jaw models).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003etwo-piece jaws\u003c\/strong\u003e (master jaws + top jaws). For \u003cstrong\u003esolid outside\/inside jaw sets\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions per factory charts \u003cstrong\u003eDimensions.webp\u003c\/strong\u003e \/ \u003cstrong\u003eDimensions-2.webp\u003c\/strong\u003e; clamping per \u003cstrong\u003eclamping-range\u003c\/strong\u003e chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e320 mm (12.60 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (register \/ locating recess diameter)\u003c\/td\u003e\n\u003ctd\u003e265 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (depth of D1 register recess)\u003c\/td\u003e\n\u003ctd\u003e7.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e290 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole diameter)\u003c\/td\u003e\n\u003ctd\u003e100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (total thickness: body + jaws)\u003c\/td\u003e\n\u003ctd\u003e155 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness only, excluding jaw height)\u003c\/td\u003e\n\u003ctd\u003e90 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH2\u003c\/td\u003e\n\u003ctd\u003e96 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside jaws, standard OD)\u003c\/td\u003e\n\u003ctd\u003e11.5 – 145 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (inside expand, same outside jaws)\u003c\/td\u003e\n\u003ctd\u003e95 – 320 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside with reverse jaws)\u003c\/td\u003e\n\u003ctd\u003e110 – 320 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall span (reference)\u003c\/td\u003e\n\u003ctd\u003e11.5 – 320 mm (0.45 – 12.60 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e3× M16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05 mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e40.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eJaws and body are numbered (1, 2, 3) so each jaw matches its slide—faster setup and better concentricity.\u003c\/p\u003e\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal lathe:\u003c\/strong\u003e Turning, facing, drilling, boring (with correct adapter).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWood lathe:\u003c\/strong\u003e Where spindle and safety requirements allow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilling machine \/ machining center:\u003c\/strong\u003e On suitable arbors or fixtures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilling machine:\u003c\/strong\u003e Concentric holding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC:\u003c\/strong\u003e Production use where applicable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrinder:\u003c\/strong\u003e When speed-rated and safely mounted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eMachine \u003cstrong\u003eswing or envelope\u003c\/strong\u003e must clear the chuck body and fully opened jaws. Plan a comfortable margin above nominal diameter \u003cstrong\u003eD\u003c\/strong\u003e. Your adapter must match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern listed above.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean regularly. Apply \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e to the scroll and bevel gears.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Observe safe speeds for chuck size and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46878834098361,"sku":null,"price":508.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11C.png?v=1776042178"},{"product_id":"top-tool-380mm-3-jaw-self-centering-two-piece-jaws-clamping-11p5-400mm-plain-back","title":"TOP-TOOL Professional 3-Jaw Self-Centering Lathe Chuck, 380mm \/ 15-Inch, Clamping Range 11.5–400 mm (0.45–15.75 in), Two-Piece Jaws (Master + Reversible Top Jaws), Pre-Mounted Set, T-Key, Plain Back","description":"\u003ch2\u003eProfessional 380mm \/ 15-Inch 3-Jaw Self-Centering Lathe Chuck (Two-Piece Jaws (Master + Reversible Top Jaws))\u003c\/h2\u003e\n\u003cp\u003eBuilt for \u003cstrong\u003emetal lathes, wood lathes, drill presses, milling machines, CNC machining centers, grinders\u003c\/strong\u003e, and other equipment that needs \u003cstrong\u003eself-centering workholding\u003c\/strong\u003e. The TOP-TOOL 380 mm chuck delivers rigid gripping when mounted with the correct \u003cstrong\u003eadapter plate or fixture\u003c\/strong\u003e. \u003cstrong\u003eHT300 cast iron\u003c\/strong\u003e body, \u003cstrong\u003eAISI 5140\u003c\/strong\u003e scroll and bevel gears, \u003cstrong\u003eAISI 1045\u003c\/strong\u003e jaws. \u003cstrong\u003eOverall clamping envelope 11.5–400 mm (0.45–15.75 in)\u003c\/strong\u003e across the three modes below.\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eAluminum \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 11.5–210 mm gripping on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 95–400 mm internal gripping (boring-style holding).\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 110–400 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e11.5–400 mm (0.45–15.75 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron:\u003c\/strong\u003e High mass and damping for large workpieces and heavy cuts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 scroll (HRC 43–48) and bevel gears (HRC 45–50).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58):\u003c\/strong\u003e AISI 1045 for grip and wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Checked with \u003cstrong\u003efour different test bars\u003c\/strong\u003e as part of our acceptance process. Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e \u003cstrong\u003eD1 = 325 mm\u003c\/strong\u003e locating register, recess depth \u003cstrong\u003eh = 7.5 mm\u003c\/strong\u003e; \u003cstrong\u003eD2 = 350 mm\u003c\/strong\u003e bolt circle; \u003cstrong\u003e3× M16\u003c\/strong\u003e mounting holes. Machine your adapter to match \u003cstrong\u003eD1\/D2\u003c\/strong\u003e. \u003cem\u003eAdapter plate not included.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Piece Jaw System:\u003c\/strong\u003e Master jaws with \u003cstrong\u003ereversible top jaws\u003c\/strong\u003e pre-mounted—configure for OD or ID work per the jaw instructions. \u003cstrong\u003eNo second full jaw kit\u003c\/strong\u003e is included in the box (not the same packaging as solid-jaw models).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003etwo-piece jaws\u003c\/strong\u003e (master jaws + top jaws). For \u003cstrong\u003esolid outside\/inside jaw sets\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions per factory charts \u003cstrong\u003eDimensions.webp\u003c\/strong\u003e \/ \u003cstrong\u003eDimensions-2.webp\u003c\/strong\u003e; clamping per \u003cstrong\u003eclamping-range\u003c\/strong\u003e chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e380 mm (14.96 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (register \/ locating recess diameter)\u003c\/td\u003e\n\u003ctd\u003e325 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (depth of D1 register recess)\u003c\/td\u003e\n\u003ctd\u003e7.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e350 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole diameter)\u003c\/td\u003e\n\u003ctd\u003e135 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (total thickness: body + jaws)\u003c\/td\u003e\n\u003ctd\u003e163.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness only, excluding jaw height)\u003c\/td\u003e\n\u003ctd\u003e98 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH2\u003c\/td\u003e\n\u003ctd\u003e103.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside jaws, standard OD)\u003c\/td\u003e\n\u003ctd\u003e11.5 – 210 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (inside expand, same outside jaws)\u003c\/td\u003e\n\u003ctd\u003e95 – 400 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside with reverse jaws)\u003c\/td\u003e\n\u003ctd\u003e110 – 400 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall span (reference)\u003c\/td\u003e\n\u003ctd\u003e11.5 – 400 mm (0.45 – 15.75 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e3× M16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05 mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e60.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eJaws and body are numbered (1, 2, 3) so each jaw matches its slide—faster setup and better concentricity.\u003c\/p\u003e\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal lathe:\u003c\/strong\u003e Turning, facing, drilling, boring (with correct adapter).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWood lathe:\u003c\/strong\u003e Where spindle and safety requirements allow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilling machine \/ machining center:\u003c\/strong\u003e On suitable arbors or fixtures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilling machine:\u003c\/strong\u003e Concentric holding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC:\u003c\/strong\u003e Production use where applicable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrinder:\u003c\/strong\u003e When speed-rated and safely mounted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eMachine \u003cstrong\u003eswing or envelope\u003c\/strong\u003e must clear the chuck body and fully opened jaws. Plan a comfortable margin above nominal diameter \u003cstrong\u003eD\u003c\/strong\u003e. Your adapter must match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern listed above.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean regularly. Apply \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e to the scroll and bevel gears.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Observe safe speeds for chuck size and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46878834163897,"sku":null,"price":536.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11C_3213e109-9e30-470b-9338-f4ade3c93c87.png?v=1776038273"},{"product_id":"top-tool-400mm-3-jaw-self-centering-two-piece-jaws-clamping-15-400mm-plain-back","title":"TOP-TOOL Professional 3-Jaw Self-Centering Lathe Chuck, 400mm \/ 16-Inch, Clamping Range 15–400 mm (0.59–15.75 in), Two-Piece Jaws (Master + Reversible Top Jaws), Pre-Mounted Set, T-Key, Plain Back","description":"\u003ch2\u003eProfessional 400mm \/ 16-Inch 3-Jaw Self-Centering Lathe Chuck (Two-Piece Jaws (Master + Reversible Top Jaws))\u003c\/h2\u003e\n\u003cp\u003eBuilt for \u003cstrong\u003emetal lathes, wood lathes, drill presses, milling machines, CNC machining centers, grinders\u003c\/strong\u003e, and other equipment that needs \u003cstrong\u003eself-centering workholding\u003c\/strong\u003e. The TOP-TOOL 400 mm chuck delivers rigid gripping when mounted with the correct \u003cstrong\u003eadapter plate or fixture\u003c\/strong\u003e. \u003cstrong\u003eHT300 cast iron\u003c\/strong\u003e body, \u003cstrong\u003eAISI 5140\u003c\/strong\u003e scroll and bevel gears, \u003cstrong\u003eAISI 1045\u003c\/strong\u003e jaws. \u003cstrong\u003eOverall clamping envelope 15–400 mm (0.59–15.75 in)\u003c\/strong\u003e across the three modes below.\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eAluminum \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 15–210 mm gripping on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 120–400 mm internal gripping (boring-style holding).\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 120–400 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e15–400 mm (0.59–15.75 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron:\u003c\/strong\u003e High mass and damping for large workpieces and heavy cuts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 scroll (HRC 43–48) and bevel gears (HRC 45–50).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58):\u003c\/strong\u003e AISI 1045 for grip and wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Checked with \u003cstrong\u003efour different test bars\u003c\/strong\u003e as part of our acceptance process. Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e \u003cstrong\u003eD1 = 340 mm\u003c\/strong\u003e locating register, recess depth \u003cstrong\u003eh = 6 mm\u003c\/strong\u003e; \u003cstrong\u003eD2 = 368 mm\u003c\/strong\u003e bolt circle; \u003cstrong\u003e3× M16\u003c\/strong\u003e mounting holes. Machine your adapter to match \u003cstrong\u003eD1\/D2\u003c\/strong\u003e. \u003cem\u003eAdapter plate not included.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Piece Jaw System:\u003c\/strong\u003e Master jaws with \u003cstrong\u003ereversible top jaws\u003c\/strong\u003e pre-mounted—configure for OD or ID work per the jaw instructions. \u003cstrong\u003eNo second full jaw kit\u003c\/strong\u003e is included in the box (not the same packaging as solid-jaw models).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003etwo-piece jaws\u003c\/strong\u003e (master jaws + top jaws). For \u003cstrong\u003esolid outside\/inside jaw sets\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions per factory charts \u003cstrong\u003eDimensions.webp\u003c\/strong\u003e \/ \u003cstrong\u003eDimensions-2.webp\u003c\/strong\u003e; clamping per \u003cstrong\u003eclamping-range\u003c\/strong\u003e chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e400 mm (15.75 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (register \/ locating recess diameter)\u003c\/td\u003e\n\u003ctd\u003e340 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (depth of D1 register recess)\u003c\/td\u003e\n\u003ctd\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e368 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole diameter)\u003c\/td\u003e\n\u003ctd\u003e130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (total thickness: body + jaws)\u003c\/td\u003e\n\u003ctd\u003e158.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness only, excluding jaw height)\u003c\/td\u003e\n\u003ctd\u003e102 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH2\u003c\/td\u003e\n\u003ctd\u003e106.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside jaws, standard OD)\u003c\/td\u003e\n\u003ctd\u003e15 – 210 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (inside expand, same outside jaws)\u003c\/td\u003e\n\u003ctd\u003e120 – 400 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside with reverse jaws)\u003c\/td\u003e\n\u003ctd\u003e120 – 400 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall span (reference)\u003c\/td\u003e\n\u003ctd\u003e15 – 400 mm (0.59 – 15.75 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e3× M16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05 mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e65.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eJaws and body are numbered (1, 2, 3) so each jaw matches its slide—faster setup and better concentricity.\u003c\/p\u003e\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal lathe:\u003c\/strong\u003e Turning, facing, drilling, boring (with correct adapter).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWood lathe:\u003c\/strong\u003e Where spindle and safety requirements allow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilling machine \/ machining center:\u003c\/strong\u003e On suitable arbors or fixtures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilling machine:\u003c\/strong\u003e Concentric holding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC:\u003c\/strong\u003e Production use where applicable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrinder:\u003c\/strong\u003e When speed-rated and safely mounted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eMachine \u003cstrong\u003eswing or envelope\u003c\/strong\u003e must clear the chuck body and fully opened jaws. Plan a comfortable margin above nominal diameter \u003cstrong\u003eD\u003c\/strong\u003e. Your adapter must match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern listed above.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean regularly. Apply \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e to the scroll and bevel gears.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Observe safe speeds for chuck size and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46878834229433,"sku":null,"price":568.82,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11C.png?v=1776042178"},{"product_id":"top-tool-500mm-3-jaw-self-centering-two-piece-jaws-clamping-25-500mm-plain-back","title":"TOP-TOOL Professional 3-Jaw Self-Centering Lathe Chuck, 500mm \/ 20-Inch, Clamping Range 25–500 mm (0.98–19.69 in), Two-Piece Jaws (Master + Reversible Top Jaws), Pre-Mounted Set, T-Key, Plain Back","description":"\u003ch2\u003eProfessional 500mm \/ 20-Inch 3-Jaw Self-Centering Lathe Chuck (Two-Piece Jaws (Master + Reversible Top Jaws))\u003c\/h2\u003e\n\u003cp\u003eBuilt for \u003cstrong\u003emetal lathes, wood lathes, drill presses, milling machines, CNC machining centers, grinders\u003c\/strong\u003e, and other equipment that needs \u003cstrong\u003eself-centering workholding\u003c\/strong\u003e. The TOP-TOOL 500 mm chuck delivers rigid gripping when mounted with the correct \u003cstrong\u003eadapter plate or fixture\u003c\/strong\u003e. \u003cstrong\u003eHT300 cast iron\u003c\/strong\u003e body, \u003cstrong\u003eAISI 5140\u003c\/strong\u003e scroll and bevel gears, \u003cstrong\u003eAISI 1045\u003c\/strong\u003e jaws. \u003cstrong\u003eOverall clamping envelope 25–500 mm (0.98–19.69 in)\u003c\/strong\u003e across the three modes below.\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eAluminum \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 25–280 mm gripping on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 150–500 mm internal gripping (boring-style holding).\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 150–500 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e25–500 mm (0.98–19.69 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron:\u003c\/strong\u003e High mass and damping for large workpieces and heavy cuts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 scroll (HRC 43–48) and bevel gears (HRC 45–50).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58):\u003c\/strong\u003e AISI 1045 for grip and wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Checked with \u003cstrong\u003efour different test bars\u003c\/strong\u003e as part of our acceptance process. Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e \u003cstrong\u003eD1 = 440 mm\u003c\/strong\u003e locating register, recess depth \u003cstrong\u003eh = 6.5 mm\u003c\/strong\u003e; \u003cstrong\u003eD2 = 465 mm\u003c\/strong\u003e bolt circle; \u003cstrong\u003e6× M16\u003c\/strong\u003e mounting holes. Machine your adapter to match \u003cstrong\u003eD1\/D2\u003c\/strong\u003e. \u003cem\u003eAdapter plate not included.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Piece Jaw System:\u003c\/strong\u003e Master jaws with \u003cstrong\u003ereversible top jaws\u003c\/strong\u003e pre-mounted—configure for OD or ID work per the jaw instructions. \u003cstrong\u003eNo second full jaw kit\u003c\/strong\u003e is included in the box (not the same packaging as solid-jaw models).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003etwo-piece jaws\u003c\/strong\u003e (master jaws + top jaws). For \u003cstrong\u003esolid outside\/inside jaw sets\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions per factory charts \u003cstrong\u003eDimensions.webp\u003c\/strong\u003e \/ \u003cstrong\u003eDimensions-2.webp\u003c\/strong\u003e; clamping per \u003cstrong\u003eclamping-range\u003c\/strong\u003e chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e500 mm (19.69 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (register \/ locating recess diameter)\u003c\/td\u003e\n\u003ctd\u003e440 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (depth of D1 register recess)\u003c\/td\u003e\n\u003ctd\u003e6.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e465 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole diameter)\u003c\/td\u003e\n\u003ctd\u003e200 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (total thickness: body + jaws)\u003c\/td\u003e\n\u003ctd\u003e197 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness only, excluding jaw height)\u003c\/td\u003e\n\u003ctd\u003e115 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH2\u003c\/td\u003e\n\u003ctd\u003e121 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside jaws, standard OD)\u003c\/td\u003e\n\u003ctd\u003e25 – 280 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (inside expand, same outside jaws)\u003c\/td\u003e\n\u003ctd\u003e150 – 500 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside with reverse jaws)\u003c\/td\u003e\n\u003ctd\u003e150 – 500 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall span (reference)\u003c\/td\u003e\n\u003ctd\u003e25 – 500 mm (0.98 – 19.69 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e6× M16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05 mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e116.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eJaws and body are numbered (1, 2, 3) so each jaw matches its slide—faster setup and better concentricity.\u003c\/p\u003e\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal lathe:\u003c\/strong\u003e Turning, facing, drilling, boring (with correct adapter).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWood lathe:\u003c\/strong\u003e Where spindle and safety requirements allow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilling machine \/ machining center:\u003c\/strong\u003e On suitable arbors or fixtures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilling machine:\u003c\/strong\u003e Concentric holding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC:\u003c\/strong\u003e Production use where applicable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrinder:\u003c\/strong\u003e When speed-rated and safely mounted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eMachine \u003cstrong\u003eswing or envelope\u003c\/strong\u003e must clear the chuck body and fully opened jaws. Plan a comfortable margin above nominal diameter \u003cstrong\u003eD\u003c\/strong\u003e. Your adapter must match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern listed above.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean regularly. Apply \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e to the scroll and bevel gears.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Observe safe speeds for chuck size and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46878834294969,"sku":null,"price":999.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11C.png?v=1776042178"},{"product_id":"top-tool-630mm-3-jaw-self-centering-two-piece-jaws-clamping-50-630mm-plain-back","title":"TOP-TOOL Professional 3-Jaw Self-Centering Lathe Chuck, 630mm \/ 25-Inch, Clamping Range 50–630 mm (1.97–24.80 in), Two-Piece Jaws (Master + Reversible Top Jaws), Pre-Mounted Set, T-Key, Plain Back","description":"\u003ch2\u003eProfessional 630mm \/ 25-Inch 3-Jaw Self-Centering Lathe Chuck (Two-Piece Jaws (Master + Reversible Top Jaws))\u003c\/h2\u003e\n\u003cp\u003eBuilt for \u003cstrong\u003emetal lathes, wood lathes, drill presses, milling machines, CNC machining centers, grinders\u003c\/strong\u003e, and other equipment that needs \u003cstrong\u003eself-centering workholding\u003c\/strong\u003e. The TOP-TOOL 630 mm chuck delivers rigid gripping when mounted with the correct \u003cstrong\u003eadapter plate or fixture\u003c\/strong\u003e. \u003cstrong\u003eHT300 cast iron\u003c\/strong\u003e body, \u003cstrong\u003eAISI 5140\u003c\/strong\u003e scroll and bevel gears, \u003cstrong\u003eAISI 1045\u003c\/strong\u003e jaws. \u003cstrong\u003eOverall clamping envelope 50–630 mm (1.97–24.80 in)\u003c\/strong\u003e across the three modes below.\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eAluminum \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 50–350 mm gripping on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 170–630 mm internal gripping (boring-style holding).\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 170–630 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e50–630 mm (1.97–24.80 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron:\u003c\/strong\u003e High mass and damping for large workpieces and heavy cuts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 scroll (HRC 43–48) and bevel gears (HRC 45–50).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58):\u003c\/strong\u003e AISI 1045 for grip and wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Checked with \u003cstrong\u003efour different test bars\u003c\/strong\u003e as part of our acceptance process. Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e \u003cstrong\u003eD1 = 560 mm\u003c\/strong\u003e locating register, recess depth \u003cstrong\u003eh = 8 mm\u003c\/strong\u003e; \u003cstrong\u003eD2 = 595 mm\u003c\/strong\u003e bolt circle; \u003cstrong\u003e6× M16\u003c\/strong\u003e mounting holes. Machine your adapter to match \u003cstrong\u003eD1\/D2\u003c\/strong\u003e. \u003cem\u003eAdapter plate not included.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Piece Jaw System:\u003c\/strong\u003e Master jaws with \u003cstrong\u003ereversible top jaws\u003c\/strong\u003e pre-mounted—configure for OD or ID work per the jaw instructions. \u003cstrong\u003eNo second full jaw kit\u003c\/strong\u003e is included in the box (not the same packaging as solid-jaw models).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003etwo-piece jaws\u003c\/strong\u003e (master jaws + top jaws). For \u003cstrong\u003esolid outside\/inside jaw sets\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions per factory charts \u003cstrong\u003eDimensions.webp\u003c\/strong\u003e \/ \u003cstrong\u003eDimensions-2.webp\u003c\/strong\u003e; clamping per \u003cstrong\u003eclamping-range\u003c\/strong\u003e chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e630 mm (24.80 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (register \/ locating recess diameter)\u003c\/td\u003e\n\u003ctd\u003e560 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (depth of D1 register recess)\u003c\/td\u003e\n\u003ctd\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e595 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole diameter)\u003c\/td\u003e\n\u003ctd\u003e270 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (total thickness: body + jaws)\u003c\/td\u003e\n\u003ctd\u003e211.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness only, excluding jaw height)\u003c\/td\u003e\n\u003ctd\u003e123 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH2\u003c\/td\u003e\n\u003ctd\u003e130.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside jaws, standard OD)\u003c\/td\u003e\n\u003ctd\u003e50 – 350 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (inside expand, same outside jaws)\u003c\/td\u003e\n\u003ctd\u003e170 – 630 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside with reverse jaws)\u003c\/td\u003e\n\u003ctd\u003e170 – 630 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall span (reference)\u003c\/td\u003e\n\u003ctd\u003e50 – 630 mm (1.97 – 24.80 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e6× M16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05 mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e208.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eJaws and body are numbered (1, 2, 3) so each jaw matches its slide—faster setup and better concentricity.\u003c\/p\u003e\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal lathe:\u003c\/strong\u003e Turning, facing, drilling, boring (with correct adapter).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWood lathe:\u003c\/strong\u003e Where spindle and safety requirements allow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilling machine \/ machining center:\u003c\/strong\u003e On suitable arbors or fixtures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilling machine:\u003c\/strong\u003e Concentric holding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC:\u003c\/strong\u003e Production use where applicable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrinder:\u003c\/strong\u003e When speed-rated and safely mounted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eMachine \u003cstrong\u003eswing or envelope\u003c\/strong\u003e must clear the chuck body and fully opened jaws. Plan a comfortable margin above nominal diameter \u003cstrong\u003eD\u003c\/strong\u003e. Your adapter must match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern listed above.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean regularly. Apply \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e to the scroll and bevel gears.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Observe safe speeds for chuck size and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46878834327737,"sku":null,"price":999.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11C.png?v=1776042178"},{"product_id":"top-tool-800mm-3-jaw-self-centering-two-piece-jaws-clamping-120-800mm-plain-back","title":"TOP-TOOL Professional 3-Jaw Self-Centering Lathe Chuck, 800mm \/ 32-Inch, Clamping Range 120–800 mm (4.72–31.50 in), Two-Piece Jaws (Master + Reversible Top Jaws), Pre-Mounted Set, T-Key, Plain Back","description":"\u003ch2\u003eProfessional 800mm \/ 31.50-Inch 3-Jaw Self-Centering Lathe Chuck (Two-Piece Jaws (Master + Reversible Top Jaws))\u003c\/h2\u003e\n\u003cp\u003eBuilt for \u003cstrong\u003emetal lathes, wood lathes, drill presses, milling machines, CNC machining centers, grinders\u003c\/strong\u003e, and other equipment that needs \u003cstrong\u003eself-centering workholding\u003c\/strong\u003e. The TOP-TOOL 800 mm chuck delivers rigid gripping when mounted with the correct \u003cstrong\u003eadapter plate or fixture\u003c\/strong\u003e. \u003cstrong\u003eHT300 cast iron\u003c\/strong\u003e body, \u003cstrong\u003eAISI 5140\u003c\/strong\u003e scroll and bevel gears, \u003cstrong\u003eAISI 1045\u003c\/strong\u003e jaws. \u003cstrong\u003eOverall clamping envelope 120–800 mm (4.72–31.50 in)\u003c\/strong\u003e across the three modes below.\u003c\/p\u003e\n\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eAluminum \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 120–450 mm gripping on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 300–800 mm internal gripping (boring-style holding).\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 300–800 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e120–800 mm (4.72–31.50 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron:\u003c\/strong\u003e High mass and damping for large workpieces and heavy cuts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 scroll (HRC 43–48) and bevel gears (HRC 45–50).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58):\u003c\/strong\u003e AISI 1045 for grip and wear resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Checked with \u003cstrong\u003efour different test bars\u003c\/strong\u003e as part of our acceptance process. Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e \u003cstrong\u003eD1 = 710 mm\u003c\/strong\u003e locating register, recess depth \u003cstrong\u003eh = 8 mm\u003c\/strong\u003e; \u003cstrong\u003eD2 = 760 mm\u003c\/strong\u003e bolt circle; \u003cstrong\u003e6× M20\u003c\/strong\u003e mounting holes. Machine your adapter to match \u003cstrong\u003eD1\/D2\u003c\/strong\u003e. \u003cem\u003eAdapter plate not included.\u003c\/em\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo-Piece Jaw System:\u003c\/strong\u003e Master jaws with \u003cstrong\u003ereversible top jaws\u003c\/strong\u003e pre-mounted—configure for OD or ID work per the jaw instructions. \u003cstrong\u003eNo second full jaw kit\u003c\/strong\u003e is included in the box (not the same packaging as solid-jaw models).\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003etwo-piece jaws\u003c\/strong\u003e (master jaws + top jaws). For \u003cstrong\u003esolid outside\/inside jaw sets\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions per factory charts \u003cstrong\u003eDimensions.webp\u003c\/strong\u003e \/ \u003cstrong\u003eDimensions-2.webp\u003c\/strong\u003e; clamping per \u003cstrong\u003eclamping-range\u003c\/strong\u003e chart.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e800 mm (31.50 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD1 (register \/ locating recess diameter)\u003c\/td\u003e\n\u003ctd\u003e710 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eh (depth of D1 register recess)\u003c\/td\u003e\n\u003ctd\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e760 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD3 (through hole diameter)\u003c\/td\u003e\n\u003ctd\u003e385 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eH (total thickness: body + jaws)\u003c\/td\u003e\n\u003ctd\u003e247 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eH1 (body thickness only, excluding jaw height)\u003c\/td\u003e\n\u003ctd\u003e149 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eH2\u003c\/td\u003e\n\u003ctd\u003e157 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eClamping (outside jaws, standard OD)\u003c\/td\u003e\n\u003ctd\u003e120 – 450 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eClamping (inside expand, same outside jaws)\u003c\/td\u003e\n\u003ctd\u003e300 – 800 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eClamping (outside with reverse jaws)\u003c\/td\u003e\n\u003ctd\u003e300 – 800 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eOverall span (reference)\u003c\/td\u003e\n\u003ctd\u003e120 – 800 mm (4.72 – 31.50 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e6× M20\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05 mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e305.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eJaws and body are numbered (1, 2, 3) so each jaw matches its slide—faster setup and better concentricity.\u003c\/p\u003e\n\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMetal lathe:\u003c\/strong\u003e Turning, facing, drilling, boring (with correct adapter).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWood lathe:\u003c\/strong\u003e Where spindle and safety requirements allow.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMilling machine \/ machining center:\u003c\/strong\u003e On suitable arbors or fixtures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrilling machine:\u003c\/strong\u003e Concentric holding.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCNC:\u003c\/strong\u003e Production use where applicable.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrinder:\u003c\/strong\u003e When speed-rated and safely mounted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eMachine \u003cstrong\u003eswing or envelope\u003c\/strong\u003e must clear the chuck body and fully opened jaws. Plan a comfortable margin above nominal diameter \u003cstrong\u003eD\u003c\/strong\u003e. Your adapter must match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern listed above.\u003c\/p\u003e\n\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean regularly. Apply \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e to the scroll and bevel gears.\u003c\/p\u003e\n\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Observe safe speeds for chuck size and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46878834393273,"sku":null,"price":999.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11C.png?v=1776042178"},{"product_id":"top-tool-1000mm-3-jaw-self-centering-two-piece-jaws-clamping-250-1000mm-plain-back","title":"TOP-TOOL Professional 3-Jaw Self-Centering Lathe Chuck, 1000mm \/ 40-Inch, Clamping Range 250–1000 mm (9.84–39.37 in), Two-Piece Jaws (Master + Reversible Top Jaws), Pre-Mounted Set, T-Key, Plain Back","description":"\u003ch2\u003eProfessional 1000mm \/ 39.5-Inch 3-Jaw Self-Centering Lathe Chuck (Two-Piece Jaws (Master + Reversible Top Jaws))\u003c\/h2\u003e\n\u003cp\u003eBuilt for \u003cstrong\u003emetal lathes, wood lathes, drill presses, milling machines, CNC machining centers, grinders\u003c\/strong\u003e, and other equipment that needs \u003cstrong\u003eself-centering workholding\u003c\/strong\u003e. The TOP-TOOL 1000 mm chuck delivers rigid gripping when mounted with the correct \u003cstrong\u003eadapter plate or fixture\u003c\/strong\u003e. \u003cstrong\u003eHT300 cast iron\u003c\/strong\u003e body, \u003cstrong\u003eAISI 5140\u003c\/strong\u003e scroll and bevel gears, \u003cstrong\u003eAISI 1045\u003c\/strong\u003e jaws. \u003cstrong\u003eOverall clamping envelope 250–1000 mm (9.84–39.37 in)\u003c\/strong\u003e across the three modes below.\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eAluminum \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 250–520 mm gripping on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 350–1000 mm internal gripping (boring-style holding).\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 400–1000 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e250–1000 mm (9.84–39.37 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron:\u003c\/strong\u003e High mass and damping for large workpieces and heavy cuts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 scroll (HRC 43–48) and bevel gears (HRC 45–50).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58):\u003c\/strong\u003e AISI 1045 for grip and wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Checked with \u003cstrong\u003efour different test bars\u003c\/strong\u003e as part of our acceptance process. Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e \u003cstrong\u003eD1 = 910 mm\u003c\/strong\u003e locating register, recess depth \u003cstrong\u003eh = 8 mm\u003c\/strong\u003e; \u003cstrong\u003eD2 = 950 mm\u003c\/strong\u003e bolt circle; \u003cstrong\u003e6× M24\u003c\/strong\u003e mounting holes. Machine your adapter to match \u003cstrong\u003eD1\/D2\u003c\/strong\u003e. \u003cem\u003eAdapter plate not included.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Piece Jaw System:\u003c\/strong\u003e Master jaws with \u003cstrong\u003ereversible top jaws\u003c\/strong\u003e pre-mounted—configure for OD or ID work per the jaw instructions. \u003cstrong\u003eNo second full jaw kit\u003c\/strong\u003e is included in the box (not the same packaging as solid-jaw models).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003etwo-piece jaws\u003c\/strong\u003e (master jaws + top jaws). For \u003cstrong\u003esolid outside\/inside jaw sets\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions per factory charts \u003cstrong\u003eDimensions.webp\u003c\/strong\u003e \/ \u003cstrong\u003eDimensions-2.webp\u003c\/strong\u003e; clamping per \u003cstrong\u003eclamping-range\u003c\/strong\u003e chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e1000 mm (39.37 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (register \/ locating recess diameter)\u003c\/td\u003e\n\u003ctd\u003e910 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (depth of D1 register recess)\u003c\/td\u003e\n\u003ctd\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e950 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole diameter)\u003c\/td\u003e\n\u003ctd\u003e400 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (total thickness: body + jaws)\u003c\/td\u003e\n\u003ctd\u003e278.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness only, excluding jaw height)\u003c\/td\u003e\n\u003ctd\u003e176 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH2\u003c\/td\u003e\n\u003ctd\u003e185 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside jaws, standard OD)\u003c\/td\u003e\n\u003ctd\u003e250 – 520 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (inside expand, same outside jaws)\u003c\/td\u003e\n\u003ctd\u003e350 – 1000 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside with reverse jaws)\u003c\/td\u003e\n\u003ctd\u003e400 – 1000 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall span (reference)\u003c\/td\u003e\n\u003ctd\u003e250 – 1000 mm (9.84 – 39.37 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e6× M24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05 mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e630.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eJaws and body are numbered (1, 2, 3) so each jaw matches its slide—faster setup and better concentricity.\u003c\/p\u003e\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal lathe:\u003c\/strong\u003e Turning, facing, drilling, boring (with correct adapter).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWood lathe:\u003c\/strong\u003e Where spindle and safety requirements allow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilling machine \/ machining center:\u003c\/strong\u003e On suitable arbors or fixtures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilling machine:\u003c\/strong\u003e Concentric holding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC:\u003c\/strong\u003e Production use where applicable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrinder:\u003c\/strong\u003e When speed-rated and safely mounted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eMachine \u003cstrong\u003eswing or envelope\u003c\/strong\u003e must clear the chuck body and fully opened jaws. Plan a comfortable margin above nominal diameter \u003cstrong\u003eD\u003c\/strong\u003e. Your adapter must match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern listed above.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean regularly. Apply \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e to the scroll and bevel gears.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Observe safe speeds for chuck size and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46878834491577,"sku":null,"price":999.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11C.png?v=1776042178"},{"product_id":"top-tool-160mm-3-jaw-camlock-size-4-solid-one-piece-jaws-clamping-3-160mm-short-taper","title":"TOP-TOOL 160D4, 160mm \/ 6-Inch 3-Jaw Self-Centering Lathe Chuck, Form D Short-Taper Camlock, Clamping Range 3–160 mm (0.12–6.30 in), Solid One-Piece Jaws, Outside Jaws Mounted + Inside Jaw Set, T-Key, Direct Mount (No Backing Plate)","description":"\u003ch2\u003eProfessional 160D4 — 160mm \/ 6-Inch 3-Jaw Self-Centering Chuck, Form D Short-Taper Camlock\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e160D4\u003c\/strong\u003e is built for \u003cstrong\u003eshort-taper lathe spindles\u003c\/strong\u003e that use \u003cstrong\u003eForm D (camlock) retention\u003c\/strong\u003e. It mounts \u003cstrong\u003edirectly on the spindle nose\u003c\/strong\u003e with cam pins and studs; \u003cstrong\u003eno separate adapter flange\u003c\/strong\u003e is required when your spindle matches this interface. Short taper reference angle \u003cstrong\u003e7°7′30″\u003c\/strong\u003e. Overall clamping envelope \u003cstrong\u003e3–160 mm (0.12–6.30 in)\u003c\/strong\u003e (same jaw geometry class as our plain-back models of the same diameter class).\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 3–70 mm on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 55–160 mm internal gripping.\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 55–160 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e3–160 mm (0.12–6.30 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm D Camlock:\u003c\/strong\u003e Studs and camlock ring geometry for quick, repeatable spindle mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Mount:\u003c\/strong\u003e The \u003cstrong\u003e160D4\u003c\/strong\u003e interface—no backing plate when the spindle nose matches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron\u003c\/strong\u003e body; hardened scroll and gears (AISI 5140).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58)\u003c\/strong\u003e (AISI 1045).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQC:\u003c\/strong\u003e Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e per factory test-bar procedure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid One-Piece Jaws:\u003c\/strong\u003e Outside jaws are \u003cstrong\u003epre-mounted\u003c\/strong\u003e. A \u003cstrong\u003eseparate inside (reverse) solid jaw set\u003c\/strong\u003e is included in the box.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003eone-piece solid jaws\u003c\/strong\u003e. For \u003cstrong\u003etwo-piece master and top jaws\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e160D4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD (chuck body diameter)\u003c\/td\u003e\n\u003ctd\u003e160 mm (6.30 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (short taper large end)\u003c\/td\u003e\n\u003ctd\u003e63.513 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (stud \/ bolt spacing)\u003c\/td\u003e\n\u003ctd\u003e82.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (chuck through hole)\u003c\/td\u003e\n\u003ctd\u003e40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness, factory table)\u003c\/td\u003e\n\u003ctd\u003e71 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh \/ h1 (mounting recess depths)\u003c\/td\u003e\n\u003ctd\u003e13 mm \/ 10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (overall with jaws, reference)\u003c\/td\u003e\n\u003ctd\u003e95 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStuds \/ bolts (z–d)\u003c\/td\u003e\n\u003ctd\u003e3× M10 × 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e10.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eYou must verify that your lathe spindle nose \u003cstrong\u003eshort taper large-end size\u003c\/strong\u003e matches \u003cstrong\u003eD1\u003c\/strong\u003e, and that the spindle is \u003cstrong\u003eForm D (camlock retention)\u003c\/strong\u003e. Also confirm the \u003cstrong\u003estud pattern\u003c\/strong\u003e (z–d) matches your machine. Machine swing must clear chuck body diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully opened jaws.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean and lubricate the scroll and gears with \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Respect rated speeds for diameter and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879004754105,"sku":null,"price":144.12,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11_D3D4.png?v=1776042830"},{"product_id":"top-tool-200mm-3-jaw-camlock-size-4-solid-one-piece-jaws-clamping-4-200mm-short-taper","title":"TOP-TOOL 200D4, 200mm \/ 8-Inch 3-Jaw Self-Centering Lathe Chuck, Form D Short-Taper Camlock, Clamping Range 4–200 mm (0.16–7.87 in), Solid One-Piece Jaws, Outside Jaws Mounted + Inside Jaw Set, T-Key, Direct Mount (No Backing Plate)","description":"\u003ch2\u003eProfessional 200D4 — 200mm \/ 8-Inch 3-Jaw Self-Centering Chuck, Form D Short-Taper Camlock\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e200D4\u003c\/strong\u003e is built for \u003cstrong\u003eshort-taper lathe spindles\u003c\/strong\u003e that use \u003cstrong\u003eForm D (camlock) retention\u003c\/strong\u003e. It mounts \u003cstrong\u003edirectly on the spindle nose\u003c\/strong\u003e with cam pins and studs; \u003cstrong\u003eno separate adapter flange\u003c\/strong\u003e is required when your spindle matches this interface. Short taper reference angle \u003cstrong\u003e7°7′30″\u003c\/strong\u003e. Overall clamping envelope \u003cstrong\u003e4–200 mm (0.16–7.87 in)\u003c\/strong\u003e (same jaw geometry class as our plain-back models of the same diameter class).\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 4–85 mm on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 65–200 mm internal gripping.\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 65–200 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e4–200 mm (0.16–7.87 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm D Camlock:\u003c\/strong\u003e Studs and camlock ring geometry for quick, repeatable spindle mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Mount:\u003c\/strong\u003e The \u003cstrong\u003e200D4\u003c\/strong\u003e interface—no backing plate when the spindle nose matches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron\u003c\/strong\u003e body; hardened scroll and gears (AISI 5140).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58)\u003c\/strong\u003e (AISI 1045).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQC:\u003c\/strong\u003e Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e per factory test-bar procedure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid One-Piece Jaws:\u003c\/strong\u003e Outside jaws are \u003cstrong\u003epre-mounted\u003c\/strong\u003e. A \u003cstrong\u003eseparate inside (reverse) solid jaw set\u003c\/strong\u003e is included in the box.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003eone-piece solid jaws\u003c\/strong\u003e. For \u003cstrong\u003etwo-piece master and top jaws\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e200D4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD (chuck body diameter)\u003c\/td\u003e\n\u003ctd\u003e200 mm (7.87 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (short taper large end)\u003c\/td\u003e\n\u003ctd\u003e63.513 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (stud \/ bolt spacing)\u003c\/td\u003e\n\u003ctd\u003e82.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (chuck through hole)\u003c\/td\u003e\n\u003ctd\u003e50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness, factory table)\u003c\/td\u003e\n\u003ctd\u003e86 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh \/ h1 (mounting recess depths)\u003c\/td\u003e\n\u003ctd\u003e13 mm \/ 10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (overall with jaws, reference)\u003c\/td\u003e\n\u003ctd\u003e109 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStuds \/ bolts (z–d)\u003c\/td\u003e\n\u003ctd\u003e3× M10 × 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e17.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eYou must verify that your lathe spindle nose \u003cstrong\u003eshort taper large-end size\u003c\/strong\u003e matches \u003cstrong\u003eD1\u003c\/strong\u003e, and that the spindle is \u003cstrong\u003eForm D (camlock retention)\u003c\/strong\u003e. Also confirm the \u003cstrong\u003estud pattern\u003c\/strong\u003e (z–d) matches your machine. Machine swing must clear chuck body diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully opened jaws.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean and lubricate the scroll and gears with \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Respect rated speeds for diameter and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879004819641,"sku":null,"price":190.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11_D3D4.png?v=1776042830"},{"product_id":"top-tool-200mm-3-jaw-camlock-size-6-solid-one-piece-jaws-clamping-4-200mm-short-taper","title":"TOP-TOOL 200D6, 200mm \/ 8-Inch 3-Jaw Self-Centering Lathe Chuck, Form D Short-Taper Camlock, Clamping Range 4–200 mm (0.16–7.87 in), Solid One-Piece Jaws, Outside Jaws Mounted + Inside Jaw Set, T-Key, Direct Mount (No Backing Plate)","description":"\u003ch2\u003eProfessional 200D6 — 200mm \/ 8-Inch 3-Jaw Self-Centering Chuck, Form D Short-Taper Camlock\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e200D6\u003c\/strong\u003e is built for \u003cstrong\u003eshort-taper lathe spindles\u003c\/strong\u003e that use \u003cstrong\u003eForm D (camlock) retention\u003c\/strong\u003e. It mounts \u003cstrong\u003edirectly on the spindle nose\u003c\/strong\u003e with cam pins and studs; \u003cstrong\u003eno separate adapter flange\u003c\/strong\u003e is required when your spindle matches this interface. Short taper reference angle \u003cstrong\u003e7°7′30″\u003c\/strong\u003e. Overall clamping envelope \u003cstrong\u003e4–200 mm (0.16–7.87 in)\u003c\/strong\u003e (same jaw geometry class as our plain-back models of the same diameter class).\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 4–85 mm on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 65–200 mm internal gripping.\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 65–200 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e4–200 mm (0.16–7.87 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm D Camlock:\u003c\/strong\u003e Studs and camlock ring geometry for quick, repeatable spindle mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Mount:\u003c\/strong\u003e The \u003cstrong\u003e200D6\u003c\/strong\u003e interface—no backing plate when the spindle nose matches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron\u003c\/strong\u003e body; hardened scroll and gears (AISI 5140).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58)\u003c\/strong\u003e (AISI 1045).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQC:\u003c\/strong\u003e Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e per factory test-bar procedure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid One-Piece Jaws:\u003c\/strong\u003e Outside jaws are \u003cstrong\u003epre-mounted\u003c\/strong\u003e. A \u003cstrong\u003eseparate inside (reverse) solid jaw set\u003c\/strong\u003e is included in the box.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003eone-piece solid jaws\u003c\/strong\u003e. For \u003cstrong\u003etwo-piece master and top jaws\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e200D6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD (chuck body diameter)\u003c\/td\u003e\n\u003ctd\u003e200 mm (7.87 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (short taper large end)\u003c\/td\u003e\n\u003ctd\u003e106.375 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (stud \/ bolt spacing)\u003c\/td\u003e\n\u003ctd\u003e133.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (chuck through hole)\u003c\/td\u003e\n\u003ctd\u003e65 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness, factory table)\u003c\/td\u003e\n\u003ctd\u003e86 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh \/ h1 (mounting recess depths)\u003c\/td\u003e\n\u003ctd\u003e16 mm \/ 13 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (overall with jaws, reference)\u003c\/td\u003e\n\u003ctd\u003e109 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStuds \/ bolts (z–d)\u003c\/td\u003e\n\u003ctd\u003e6× M16 × 1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e17.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eYou must verify that your lathe spindle nose \u003cstrong\u003eshort taper large-end size\u003c\/strong\u003e matches \u003cstrong\u003eD1\u003c\/strong\u003e, and that the spindle is \u003cstrong\u003eForm D (camlock retention)\u003c\/strong\u003e. Also confirm the \u003cstrong\u003estud pattern\u003c\/strong\u003e (z–d) matches your machine. Machine swing must clear chuck body diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully opened jaws.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean and lubricate the scroll and gears with \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Respect rated speeds for diameter and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879004885177,"sku":null,"price":190.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11_D5.png?v=1776043088"},{"product_id":"top-tool-250mm-3-jaw-camlock-size-6-two-piece-jaws-clamping-6-250mm-short-taper","title":"TOP-TOOL 250D6, 250mm \/ 10-Inch 3-Jaw Self-Centering Lathe Chuck, Form D Short-Taper Camlock, Clamping Range 6–250 mm (0.24–9.84 in), Two-Piece Jaws (Master + Reversible Top Jaws), Pre-Mounted Set, T-Key, Direct Mount (No Backing Plate)","description":"\u003ch2\u003eProfessional 250D6 — 250mm \/ 10-Inch 3-Jaw Self-Centering Chuck, Form D Short-Taper Camlock\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e250D6\u003c\/strong\u003e is built for \u003cstrong\u003eshort-taper lathe spindles\u003c\/strong\u003e that use \u003cstrong\u003eForm D (camlock) retention\u003c\/strong\u003e. It mounts \u003cstrong\u003edirectly on the spindle nose\u003c\/strong\u003e with cam pins and studs; \u003cstrong\u003eno separate adapter flange\u003c\/strong\u003e is required when your spindle matches this interface. Short taper reference angle \u003cstrong\u003e7°7′30″\u003c\/strong\u003e. Overall clamping envelope \u003cstrong\u003e6–250 mm (0.24–9.84 in)\u003c\/strong\u003e (same jaw geometry class as our plain-back models of the same diameter class).\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 6–110 mm on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 80–250 mm internal gripping.\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 90–250 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e6–250 mm (0.24–9.84 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm D Camlock:\u003c\/strong\u003e Studs and camlock ring geometry for quick, repeatable spindle mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Mount:\u003c\/strong\u003e The \u003cstrong\u003e250D6\u003c\/strong\u003e interface—no backing plate when the spindle nose matches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron\u003c\/strong\u003e body; hardened scroll and gears (AISI 5140).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58)\u003c\/strong\u003e (AISI 1045).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQC:\u003c\/strong\u003e Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e per factory test-bar procedure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Piece Jaw System:\u003c\/strong\u003e Master jaws with \u003cstrong\u003ereversible top jaws\u003c\/strong\u003e pre-mounted for OD\/ID setups. \u003cstrong\u003eNo second full jaw kit\u003c\/strong\u003e is included (packaging differs from solid-jaw models).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003etwo-piece jaws\u003c\/strong\u003e. For \u003cstrong\u003esolid outside\/inside jaw sets\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e250D6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD (chuck body diameter)\u003c\/td\u003e\n\u003ctd\u003e250 mm (9.84 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (short taper large end)\u003c\/td\u003e\n\u003ctd\u003e106.375 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (stud \/ bolt spacing)\u003c\/td\u003e\n\u003ctd\u003e133.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (chuck through hole)\u003c\/td\u003e\n\u003ctd\u003e80 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness, factory table)\u003c\/td\u003e\n\u003ctd\u003e98 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh \/ h1 (mounting recess depths)\u003c\/td\u003e\n\u003ctd\u003e16 mm \/ 13 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (overall with jaws, reference)\u003c\/td\u003e\n\u003ctd\u003e130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStuds \/ bolts (z–d)\u003c\/td\u003e\n\u003ctd\u003e6× M16 × 1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e32.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eYou must verify that your lathe spindle nose \u003cstrong\u003eshort taper large-end size\u003c\/strong\u003e matches \u003cstrong\u003eD1\u003c\/strong\u003e, and that the spindle is \u003cstrong\u003eForm D (camlock retention)\u003c\/strong\u003e. Also confirm the \u003cstrong\u003estud pattern\u003c\/strong\u003e (z–d) matches your machine. Machine swing must clear chuck body diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully opened jaws.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean and lubricate the scroll and gears with \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Respect rated speeds for diameter and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879004950713,"sku":null,"price":251.47,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11_D5.png?v=1776043088"},{"product_id":"top-tool-250mm-3-jaw-camlock-size-8-two-piece-jaws-clamping-6-250mm-short-taper","title":"TOP-TOOL 250D8, 250mm \/ 10-Inch 3-Jaw Self-Centering Lathe Chuck, Form D Short-Taper Camlock, Clamping Range 6–250 mm (0.24–9.84 in), Two-Piece Jaws (Master + Reversible Top Jaws), Pre-Mounted Set, T-Key, Direct Mount (No Backing Plate)","description":"\u003ch2\u003eProfessional 250D8 — 250mm \/ 10-Inch 3-Jaw Self-Centering Chuck, Form D Short-Taper Camlock\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e250D8\u003c\/strong\u003e is built for \u003cstrong\u003eshort-taper lathe spindles\u003c\/strong\u003e that use \u003cstrong\u003eForm D (camlock) retention\u003c\/strong\u003e. It mounts \u003cstrong\u003edirectly on the spindle nose\u003c\/strong\u003e with cam pins and studs; \u003cstrong\u003eno separate adapter flange\u003c\/strong\u003e is required when your spindle matches this interface. Short taper reference angle \u003cstrong\u003e7°7′30″\u003c\/strong\u003e. Overall clamping envelope \u003cstrong\u003e6–250 mm (0.24–9.84 in)\u003c\/strong\u003e (same jaw geometry class as our plain-back models of the same diameter class).\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 6–110 mm on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 80–250 mm internal gripping.\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 90–250 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e6–250 mm (0.24–9.84 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm D Camlock:\u003c\/strong\u003e Studs and camlock ring geometry for quick, repeatable spindle mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Mount:\u003c\/strong\u003e The \u003cstrong\u003e250D8\u003c\/strong\u003e interface—no backing plate when the spindle nose matches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron\u003c\/strong\u003e body; hardened scroll and gears (AISI 5140).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58)\u003c\/strong\u003e (AISI 1045).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQC:\u003c\/strong\u003e Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e per factory test-bar procedure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Piece Jaw System:\u003c\/strong\u003e Master jaws with \u003cstrong\u003ereversible top jaws\u003c\/strong\u003e pre-mounted for OD\/ID setups. \u003cstrong\u003eNo second full jaw kit\u003c\/strong\u003e is included (packaging differs from solid-jaw models).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003etwo-piece jaws\u003c\/strong\u003e. For \u003cstrong\u003esolid outside\/inside jaw sets\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e250D8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD (chuck body diameter)\u003c\/td\u003e\n\u003ctd\u003e250 mm (9.84 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (short taper large end)\u003c\/td\u003e\n\u003ctd\u003e139.719 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (stud \/ bolt spacing)\u003c\/td\u003e\n\u003ctd\u003e171.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (chuck through hole)\u003c\/td\u003e\n\u003ctd\u003e80 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness, factory table)\u003c\/td\u003e\n\u003ctd\u003e98 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh \/ h1 (mounting recess depths)\u003c\/td\u003e\n\u003ctd\u003e18 mm \/ 14 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (overall with jaws, reference)\u003c\/td\u003e\n\u003ctd\u003e130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStuds \/ bolts (z–d)\u003c\/td\u003e\n\u003ctd\u003e6× M20 × 1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e32.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eYou must verify that your lathe spindle nose \u003cstrong\u003eshort taper large-end size\u003c\/strong\u003e matches \u003cstrong\u003eD1\u003c\/strong\u003e, and that the spindle is \u003cstrong\u003eForm D (camlock retention)\u003c\/strong\u003e. Also confirm the \u003cstrong\u003estud pattern\u003c\/strong\u003e (z–d) matches your machine. Machine swing must clear chuck body diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully opened jaws.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean and lubricate the scroll and gears with \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Respect rated speeds for diameter and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879005016249,"sku":null,"price":251.47,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11_D5.png?v=1776043088"},{"product_id":"top-tool-100mm-4-jaw-independent-plain-back-clamping-6-100mm","title":"TOP-TOOL 100mm \/ 4-Inch 4-Jaw Independent Lathe Chuck, Plain Back, Clamping Range 6–100 mm (0.24–3.94 in), T-Key","description":"\u003ch2\u003eProfessional 100mm \/ 4-Inch 4-Jaw Independent Lathe Chuck (Plain Back)\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL \u003cstrong\u003efour-jaw independent\u003c\/strong\u003e chuck holds round, square, rectangular, and irregular parts by adjusting \u003cstrong\u003eeach jaw separately\u003c\/strong\u003e. Unlike a self-centering scroll chuck, you can \u003cstrong\u003edial in concentricity\u003c\/strong\u003e with a dial indicator or intentionally \u003cstrong\u003eoffset\u003c\/strong\u003e the work for boring or turning eccentric features. This listing is the \u003cstrong\u003eplain back\u003c\/strong\u003e configuration—machine an \u003cstrong\u003eadapter plate\u003c\/strong\u003e to match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern (adapter not included).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnvelope reference:\u003c\/strong\u003e combined internal-jaw and external-jaw ranges cover approximately \u003cstrong\u003e6–100 mm (0.24–3.94 in)\u003c\/strong\u003e depending on jaw orientation and setup.\u003c\/p\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003ctable style=\"width: 100.021%; height: 78.3856px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5964px;\"\u003e\n\u003cth style=\"width: 17.9876%; height: 19.5964px;\"\u003eComponent\u003c\/th\u003e\n\u003cth style=\"width: 79.7741%; height: 19.5964px;\"\u003eMaterial\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5964px;\"\u003e\n\u003ctd style=\"width: 17.9876%; height: 19.5964px;\"\u003eBody\u003c\/td\u003e\n\u003ctd style=\"width: 79.7741%; height: 19.5964px;\"\u003eHigh-grade gray cast iron (HT300)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5964px;\"\u003e\n\u003ctd style=\"width: 17.9876%; height: 19.5964px;\"\u003eJaws\u003c\/td\u003e\n\u003ctd style=\"width: 79.7741%; height: 19.5964px;\"\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5964px;\"\u003e\n\u003ctd style=\"width: 17.9876%; height: 19.5964px;\"\u003eScrew\u003c\/td\u003e\n\u003ctd style=\"width: 79.7741%; height: 19.5964px;\"\u003eHardened steel \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInternal jaws (A–A1):\u003c\/strong\u003e 6–45 mm — typical OD gripping with jaws in the standard orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExternal jaws (B–B1):\u003c\/strong\u003e 40–100 mm — clamping larger diameters \/ reverse-jaw style holding per factory chart.\u003c\/p\u003e\n\u003cp\u003eUse the jaw positions and factory instructions that match your operation; the \u003cstrong\u003eoverall span\u003c\/strong\u003e above is a quick reference only.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent jaws:\u003c\/strong\u003e Four separate adjustments for square, round, or off-center work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain back (D1\/D2):\u003c\/strong\u003e Recess diameter \u003cstrong\u003eD1 = 72 mm\u003c\/strong\u003e, depth \u003cstrong\u003eh = 3.5 mm\u003c\/strong\u003e; bolt circle \u003cstrong\u003eD2 = 84 mm\u003c\/strong\u003e; \u003cstrong\u003e4× M8\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough hole D3:\u003c\/strong\u003e 25 mm for bar work (confirm against your bar stock).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeights:\u003c\/strong\u003e \u003cstrong\u003eH = 73 mm\u003c\/strong\u003e overall, \u003cstrong\u003eH1 = 54 mm\u003c\/strong\u003e body thickness reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key included\u003c\/strong\u003e for jaw adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions from factory K72-series plain-back table; clamping from K72 clamping-range chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck diameter (D)\u003c\/td\u003e\n\u003ctd\u003e100 mm (3.94 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (mounting recess diameter)\u003c\/td\u003e\n\u003ctd\u003e72 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (recess depth)\u003c\/td\u003e\n\u003ctd\u003e3.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e84 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole)\u003c\/td\u003e\n\u003ctd\u003e25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (overall height)\u003c\/td\u003e\n\u003ctd\u003e73 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness)\u003c\/td\u003e\n\u003ctd\u003e54 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal jaws (A–A1)\u003c\/td\u003e\n\u003ctd\u003e6–45 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal jaws (B–B1)\u003c\/td\u003e\n\u003ctd\u003e40–100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e4× M8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e2.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShafts, rings, and rounds where you want manual control of runout.\u003c\/li\u003e\n\u003cli\u003eSquare or rectangular billets; weldments and castings with uneven OD.\u003c\/li\u003e\n\u003cli\u003eLight eccentric turning when the machine and setup allow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eLathe swing must clear diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully extended jaws. Build or purchase an adapter that matches \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the listed bolt pattern.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eKeep jaw slides clean; lubricate per factory practice with \u003cstrong\u003echuck grease\u003c\/strong\u003e or light oil suitable for slideways.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever leave the chuck key engaged; respect safe RPM for size and balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879006294201,"sku":null,"price":999.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K7280-630_d0af3e64-e1e3-4f92-bf10-dac23ca003de.png?v=1776303554"},{"product_id":"top-tool-125mm-4-jaw-independent-plain-back-clamping-7-125mm","title":"TOP-TOOL 125mm \/ 5-Inch 4-Jaw Independent Lathe Chuck, Plain Back, Clamping Range 7–125 mm (0.28–4.92 in), T-Key","description":"\u003ch2\u003eProfessional 125mm \/ 5-Inch 4-Jaw Independent Lathe Chuck (Plain Back)\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL \u003cstrong\u003efour-jaw independent\u003c\/strong\u003e chuck holds round, square, rectangular, and irregular parts by adjusting \u003cstrong\u003eeach jaw separately\u003c\/strong\u003e. Unlike a self-centering scroll chuck, you can \u003cstrong\u003edial in concentricity\u003c\/strong\u003e with a dial indicator or intentionally \u003cstrong\u003eoffset\u003c\/strong\u003e the work for boring or turning eccentric features. This listing is the \u003cstrong\u003eplain back\u003c\/strong\u003e configuration—machine an \u003cstrong\u003eadapter plate\u003c\/strong\u003e to match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern (adapter not included).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnvelope reference:\u003c\/strong\u003e combined internal-jaw and external-jaw ranges cover approximately \u003cstrong\u003e7–125 mm (0.28–4.92 in)\u003c\/strong\u003e depending on jaw orientation and setup.\u003c\/p\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHigh-grade gray cast iron (HT200 \/ HT300 class, series dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003ctd\u003eHardened steel \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInternal jaws (A–A1):\u003c\/strong\u003e 7–57 mm — typical OD gripping with jaws in the standard orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExternal jaws (B–B1):\u003c\/strong\u003e 48–125 mm — clamping larger diameters \/ reverse-jaw style holding per factory chart.\u003c\/p\u003e\n\u003cp\u003eUse the jaw positions and factory instructions that match your operation; the \u003cstrong\u003eoverall span\u003c\/strong\u003e above is a quick reference only.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent jaws:\u003c\/strong\u003e Four separate adjustments for square, round, or off-center work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain back (D1\/D2):\u003c\/strong\u003e Recess diameter \u003cstrong\u003eD1 = 95 mm\u003c\/strong\u003e, depth \u003cstrong\u003eh = 4.5 mm\u003c\/strong\u003e; bolt circle \u003cstrong\u003eD2 = 108 mm\u003c\/strong\u003e; \u003cstrong\u003e4× M8\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough hole D3:\u003c\/strong\u003e 30 mm for bar work (confirm against your bar stock).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeights:\u003c\/strong\u003e \u003cstrong\u003eH = 78 mm\u003c\/strong\u003e overall, \u003cstrong\u003eH1 = 56 mm\u003c\/strong\u003e body thickness reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key included\u003c\/strong\u003e for jaw adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions from factory K72-series plain-back table; clamping from K72 clamping-range chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck diameter (D)\u003c\/td\u003e\n\u003ctd\u003e125 mm (4.92 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (mounting recess diameter)\u003c\/td\u003e\n\u003ctd\u003e95 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (recess depth)\u003c\/td\u003e\n\u003ctd\u003e4.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e108 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole)\u003c\/td\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (overall height)\u003c\/td\u003e\n\u003ctd\u003e78 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness)\u003c\/td\u003e\n\u003ctd\u003e56 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal jaws (A–A1)\u003c\/td\u003e\n\u003ctd\u003e7–57 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal jaws (B–B1)\u003c\/td\u003e\n\u003ctd\u003e48–125 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e4× M8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e4.7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShafts, rings, and rounds where you want manual control of runout.\u003c\/li\u003e\n\u003cli\u003eSquare or rectangular billets; weldments and castings with uneven OD.\u003c\/li\u003e\n\u003cli\u003eLight eccentric turning when the machine and setup allow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eLathe swing must clear diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully extended jaws. Build or purchase an adapter that matches \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the listed bolt pattern.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eKeep jaw slides clean; lubricate per factory practice with \u003cstrong\u003echuck grease\u003c\/strong\u003e or light oil suitable for slideways.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever leave the chuck key engaged; respect safe RPM for size and balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879006490809,"sku":null,"price":83.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K72.png?v=1776300365"},{"product_id":"top-tool-160mm-4-jaw-independent-plain-back-clamping-8-160mm","title":"TOP-TOOL 160mm \/ 6-Inch 4-Jaw Independent Lathe Chuck, Plain Back, Clamping Range 8–160 mm (0.31–6.30 in), T-Key","description":"\u003ch2\u003eProfessional 160mm \/ 6-Inch 4-Jaw Independent Lathe Chuck (Plain Back)\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL \u003cstrong\u003efour-jaw independent\u003c\/strong\u003e chuck holds round, square, rectangular, and irregular parts by adjusting \u003cstrong\u003eeach jaw separately\u003c\/strong\u003e. Unlike a self-centering scroll chuck, you can \u003cstrong\u003edial in concentricity\u003c\/strong\u003e with a dial indicator or intentionally \u003cstrong\u003eoffset\u003c\/strong\u003e the work for boring or turning eccentric features. This listing is the \u003cstrong\u003eplain back\u003c\/strong\u003e configuration—machine an \u003cstrong\u003eadapter plate\u003c\/strong\u003e to match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern (adapter not included).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnvelope reference:\u003c\/strong\u003e combined internal-jaw and external-jaw ranges cover approximately \u003cstrong\u003e8–160 mm (0.31–6.30 in)\u003c\/strong\u003e depending on jaw orientation and setup.\u003c\/p\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHigh-grade gray cast iron (HT200 \/ HT300 class, series dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003ctd\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInternal jaws (A–A1):\u003c\/strong\u003e 8–80 mm — typical OD gripping with jaws in the standard orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExternal jaws (B–B1):\u003c\/strong\u003e 50–160 mm — clamping larger diameters \/ reverse-jaw style holding per factory chart.\u003c\/p\u003e\n\u003cp\u003eUse the jaw positions and factory instructions that match your operation; the \u003cstrong\u003eoverall span\u003c\/strong\u003e above is a quick reference only.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent jaws:\u003c\/strong\u003e Four separate adjustments for square, round, or off-center work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain back (D1\/D2):\u003c\/strong\u003e Recess diameter \u003cstrong\u003eD1 = 130 mm\u003c\/strong\u003e, depth \u003cstrong\u003eh = 5 mm\u003c\/strong\u003e; bolt circle \u003cstrong\u003eD2 = 145 mm\u003c\/strong\u003e; \u003cstrong\u003e4× M10\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough hole D3:\u003c\/strong\u003e 40 mm for bar work (confirm against your bar stock).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeights:\u003c\/strong\u003e \u003cstrong\u003eH = 96.5 mm\u003c\/strong\u003e overall, \u003cstrong\u003eH1 = 65 mm\u003c\/strong\u003e body thickness reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key included\u003c\/strong\u003e for jaw adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions from factory K72-series plain-back table; clamping from K72 clamping-range chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck diameter (D)\u003c\/td\u003e\n\u003ctd\u003e160 mm (6.30 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (mounting recess diameter)\u003c\/td\u003e\n\u003ctd\u003e130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (recess depth)\u003c\/td\u003e\n\u003ctd\u003e5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e145 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole)\u003c\/td\u003e\n\u003ctd\u003e40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (overall height)\u003c\/td\u003e\n\u003ctd\u003e96.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness)\u003c\/td\u003e\n\u003ctd\u003e65 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal jaws (A–A1)\u003c\/td\u003e\n\u003ctd\u003e8–80 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal jaws (B–B1)\u003c\/td\u003e\n\u003ctd\u003e50–160 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e4× M10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e7.7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShafts, rings, and rounds where you want manual control of runout.\u003c\/li\u003e\n\u003cli\u003eSquare or rectangular billets; weldments and castings with uneven OD.\u003c\/li\u003e\n\u003cli\u003eLight eccentric turning when the machine and setup allow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eLathe swing must clear diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully extended jaws. Build or purchase an adapter that matches \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the listed bolt pattern.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eKeep jaw slides clean; lubricate per factory practice with \u003cstrong\u003echuck grease\u003c\/strong\u003e or light oil suitable for slideways.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever leave the chuck key engaged; respect safe RPM for size and balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879006589113,"sku":null,"price":118.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K7280-630_d0af3e64-e1e3-4f92-bf10-dac23ca003de.png?v=1776303554"},{"product_id":"top-tool-200mm-4-jaw-independent-plain-back-clamping-10-200mm","title":"TOP-TOOL 200mm \/ 8-Inch 4-Jaw Independent Lathe Chuck, Plain Back, Clamping Range 10–200 mm (0.39–7.87 in), T-Key","description":"\u003ch2\u003eProfessional 200mm \/ 8-Inch 4-Jaw Independent Lathe Chuck (Plain Back)\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL \u003cstrong\u003efour-jaw independent\u003c\/strong\u003e chuck holds round, square, rectangular, and irregular parts by adjusting \u003cstrong\u003eeach jaw separately\u003c\/strong\u003e. Unlike a self-centering scroll chuck, you can \u003cstrong\u003edial in concentricity\u003c\/strong\u003e with a dial indicator or intentionally \u003cstrong\u003eoffset\u003c\/strong\u003e the work for boring or turning eccentric features. This listing is the \u003cstrong\u003eplain back\u003c\/strong\u003e configuration—machine an \u003cstrong\u003eadapter plate\u003c\/strong\u003e to match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern (adapter not included).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnvelope reference:\u003c\/strong\u003e combined internal-jaw and external-jaw ranges cover approximately \u003cstrong\u003e10–200 mm (0.39–7.87 in)\u003c\/strong\u003e depending on jaw orientation and setup.\u003c\/p\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHigh-grade gray cast iron (HT200 \/ HT300 class, series dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003ctd\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInternal jaws (A–A1):\u003c\/strong\u003e 10–100 mm — typical OD gripping with jaws in the standard orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExternal jaws (B–B1):\u003c\/strong\u003e 63–200 mm — clamping larger diameters \/ reverse-jaw style holding per factory chart.\u003c\/p\u003e\n\u003cp\u003eUse the jaw positions and factory instructions that match your operation; the \u003cstrong\u003eoverall span\u003c\/strong\u003e above is a quick reference only.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent jaws:\u003c\/strong\u003e Four separate adjustments for square, round, or off-center work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain back (D1\/D2):\u003c\/strong\u003e Recess diameter \u003cstrong\u003eD1 = 104.8 mm\u003c\/strong\u003e, depth \u003cstrong\u003eh = 6 mm\u003c\/strong\u003e; bolt circle \u003cstrong\u003eD2 = 125 mm\u003c\/strong\u003e; \u003cstrong\u003e4× M10\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough hole D3:\u003c\/strong\u003e 50 mm for bar work (confirm against your bar stock).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeights:\u003c\/strong\u003e \u003cstrong\u003eH = 110 mm\u003c\/strong\u003e overall, \u003cstrong\u003eH1 = 75 mm\u003c\/strong\u003e body thickness reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key included\u003c\/strong\u003e for jaw adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions from factory K72-series plain-back table; clamping from K72 clamping-range chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck diameter (D)\u003c\/td\u003e\n\u003ctd\u003e200 mm (7.87 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (mounting recess diameter)\u003c\/td\u003e\n\u003ctd\u003e104.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (recess depth)\u003c\/td\u003e\n\u003ctd\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e125 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole)\u003c\/td\u003e\n\u003ctd\u003e50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (overall height)\u003c\/td\u003e\n\u003ctd\u003e110 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness)\u003c\/td\u003e\n\u003ctd\u003e75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal jaws (A–A1)\u003c\/td\u003e\n\u003ctd\u003e10–100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal jaws (B–B1)\u003c\/td\u003e\n\u003ctd\u003e63–200 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e4× M10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e15.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShafts, rings, and rounds where you want manual control of runout.\u003c\/li\u003e\n\u003cli\u003eSquare or rectangular billets; weldments and castings with uneven OD.\u003c\/li\u003e\n\u003cli\u003eLight eccentric turning when the machine and setup allow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eLathe swing must clear diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully extended jaws. Build or purchase an adapter that matches \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the listed bolt pattern.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eKeep jaw slides clean; lubricate per factory practice with \u003cstrong\u003echuck grease\u003c\/strong\u003e or light oil suitable for slideways.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever leave the chuck key engaged; respect safe RPM for size and balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879007801529,"sku":null,"price":159.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K7280-630.png?v=1776302833"},{"product_id":"top-tool-250mm-4-jaw-independent-plain-back-clamping-15-250mm","title":"TOP-TOOL 250mm \/ 10-Inch 4-Jaw Independent Lathe Chuck, Plain Back, Clamping Range 15–250 mm (0.59–9.84 in), T-Key","description":"\u003ch2\u003eProfessional 250mm \/ 10-Inch 4-Jaw Independent Lathe Chuck (Plain Back)\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL \u003cstrong\u003efour-jaw independent\u003c\/strong\u003e chuck holds round, square, rectangular, and irregular parts by adjusting \u003cstrong\u003eeach jaw separately\u003c\/strong\u003e. Unlike a self-centering scroll chuck, you can \u003cstrong\u003edial in concentricity\u003c\/strong\u003e with a dial indicator or intentionally \u003cstrong\u003eoffset\u003c\/strong\u003e the work for boring or turning eccentric features. This listing is the \u003cstrong\u003eplain back\u003c\/strong\u003e configuration—machine an \u003cstrong\u003eadapter plate\u003c\/strong\u003e to match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern (adapter not included).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnvelope reference:\u003c\/strong\u003e combined internal-jaw and external-jaw ranges cover approximately \u003cstrong\u003e15–250 mm (0.59–9.84 in)\u003c\/strong\u003e depending on jaw orientation and setup.\u003c\/p\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHigh-grade gray cast iron (HT200 \/ HT300 class, series dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003ctd\u003eHardened steel \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInternal jaws (A–A1):\u003c\/strong\u003e 15–130 mm — typical OD gripping with jaws in the standard orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExternal jaws (B–B1):\u003c\/strong\u003e 80–250 mm — clamping larger diameters \/ reverse-jaw style holding per factory chart.\u003c\/p\u003e\n\u003cp\u003eUse the jaw positions and factory instructions that match your operation; the \u003cstrong\u003eoverall span\u003c\/strong\u003e above is a quick reference only.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent jaws:\u003c\/strong\u003e Four separate adjustments for square, round, or off-center work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain back (D1\/D2):\u003c\/strong\u003e Recess diameter \u003cstrong\u003eD1 = 100 mm\u003c\/strong\u003e, depth \u003cstrong\u003eh = 6 mm\u003c\/strong\u003e; bolt circle \u003cstrong\u003eD2 = 120 mm\u003c\/strong\u003e; \u003cstrong\u003e4× M12\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough hole D3:\u003c\/strong\u003e 65 mm for bar work (confirm against your bar stock).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeights:\u003c\/strong\u003e \u003cstrong\u003eH = 117.5 mm\u003c\/strong\u003e overall, \u003cstrong\u003eH1 = 82 mm\u003c\/strong\u003e body thickness reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key included\u003c\/strong\u003e for jaw adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions from factory K72-series plain-back table; clamping from K72 clamping-range chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck diameter (D)\u003c\/td\u003e\n\u003ctd\u003e250 mm (9.84 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (mounting recess diameter)\u003c\/td\u003e\n\u003ctd\u003e100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (recess depth)\u003c\/td\u003e\n\u003ctd\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e120 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole)\u003c\/td\u003e\n\u003ctd\u003e65 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (overall height)\u003c\/td\u003e\n\u003ctd\u003e117.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness)\u003c\/td\u003e\n\u003ctd\u003e82 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal jaws (A–A1)\u003c\/td\u003e\n\u003ctd\u003e15–130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal jaws (B–B1)\u003c\/td\u003e\n\u003ctd\u003e80–250 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e4× M12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e21.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShafts, rings, and rounds where you want manual control of runout.\u003c\/li\u003e\n\u003cli\u003eSquare or rectangular billets; weldments and castings with uneven OD.\u003c\/li\u003e\n\u003cli\u003eLight eccentric turning when the machine and setup allow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eLathe swing must clear diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully extended jaws. Build or purchase an adapter that matches \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the listed bolt pattern.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eKeep jaw slides clean; lubricate per factory practice with \u003cstrong\u003echuck grease\u003c\/strong\u003e or light oil suitable for slideways.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever leave the chuck key engaged; respect safe RPM for size and balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879007867065,"sku":null,"price":212.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K7280-630.png?v=1776302833"},{"product_id":"top-tool-320mm-4-jaw-independent-plain-back-clamping-20-320mm","title":"TOP-TOOL 320mm \/ 12-Inch 4-Jaw Independent Lathe Chuck, Plain Back, Clamping Range 20–320 mm (0.79–12.60 in), T-Key","description":"\u003ch2\u003eProfessional 320mm \/ 12-Inch 4-Jaw Independent Lathe Chuck (Plain Back)\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL \u003cstrong\u003efour-jaw independent\u003c\/strong\u003e chuck holds round, square, rectangular, and irregular parts by adjusting \u003cstrong\u003eeach jaw separately\u003c\/strong\u003e. Unlike a self-centering scroll chuck, you can \u003cstrong\u003edial in concentricity\u003c\/strong\u003e with a dial indicator or intentionally \u003cstrong\u003eoffset\u003c\/strong\u003e the work for boring or turning eccentric features. This listing is the \u003cstrong\u003eplain back\u003c\/strong\u003e configuration—machine an \u003cstrong\u003eadapter plate\u003c\/strong\u003e to match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern (adapter not included).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnvelope reference:\u003c\/strong\u003e combined internal-jaw and external-jaw ranges cover approximately \u003cstrong\u003e20–320 mm (0.79–12.60 in)\u003c\/strong\u003e depending on jaw orientation and setup.\u003c\/p\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHigh-grade gray cast iron (HT200 \/ HT300 class, series dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cimg\u003eScrew\u003cimg\u003e\n\u003c\/td\u003e\n\u003ctd\u003eHardened steel \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInternal jaws (A–A1):\u003c\/strong\u003e 20–176 mm — typical OD gripping with jaws in the standard orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExternal jaws (B–B1):\u003c\/strong\u003e 100–320 mm — clamping larger diameters \/ reverse-jaw style holding per factory chart.\u003c\/p\u003e\n\u003cp\u003eUse the jaw positions and factory instructions that match your operation; the \u003cstrong\u003eoverall span\u003c\/strong\u003e above is a quick reference only.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent jaws:\u003c\/strong\u003e Four separate adjustments for square, round, or off-center work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain back (D1\/D2):\u003c\/strong\u003e Recess diameter \u003cstrong\u003eD1 = 140 mm\u003c\/strong\u003e, depth \u003cstrong\u003eh = 6 mm\u003c\/strong\u003e; bolt circle \u003cstrong\u003eD2 = 165 mm\u003c\/strong\u003e; \u003cstrong\u003e4× M16\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough hole D3:\u003c\/strong\u003e 95 mm for bar work (confirm against your bar stock).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeights:\u003c\/strong\u003e \u003cstrong\u003eH = 134 mm\u003c\/strong\u003e overall, \u003cstrong\u003eH1 = 90 mm\u003c\/strong\u003e body thickness reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key included\u003c\/strong\u003e for jaw adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions from factory K72-series plain-back table; clamping from K72 clamping-range chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck diameter (D)\u003c\/td\u003e\n\u003ctd\u003e320 mm (12.60 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (mounting recess diameter)\u003c\/td\u003e\n\u003ctd\u003e140 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (recess depth)\u003c\/td\u003e\n\u003ctd\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e165 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole)\u003c\/td\u003e\n\u003ctd\u003e95 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (overall height)\u003c\/td\u003e\n\u003ctd\u003e134 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness)\u003c\/td\u003e\n\u003ctd\u003e90 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal jaws (A–A1)\u003c\/td\u003e\n\u003ctd\u003e20–176 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal jaws (B–B1)\u003c\/td\u003e\n\u003ctd\u003e100–320 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e4× M16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e39.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShafts, rings, and rounds where you want manual control of runout.\u003c\/li\u003e\n\u003cli\u003eSquare or rectangular billets; weldments and castings with uneven OD.\u003c\/li\u003e\n\u003cli\u003eLight eccentric turning when the machine and setup allow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eLathe swing must clear diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully extended jaws. Build or purchase an adapter that matches \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the listed bolt pattern.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eKeep jaw slides clean; lubricate per factory practice with \u003cstrong\u003echuck grease\u003c\/strong\u003e or light oil suitable for slideways.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever leave the chuck key engaged; respect safe RPM for size and balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879007932601,"sku":null,"price":999.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K7280-630_d0af3e64-e1e3-4f92-bf10-dac23ca003de.png?v=1776303554"},{"product_id":"top-tool-400mm-4-jaw-independent-plain-back-clamping-25-400mm","title":"TOP-TOOL 400mm \/ 16-Inch 4-Jaw Independent Lathe Chuck, Plain Back, Clamping Range 25–400 mm (0.98–15.75 in), T-Key","description":"\u003ch2\u003eProfessional 400mm \/ 16-Inch 4-Jaw Independent Lathe Chuck (Plain Back)\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL \u003cstrong\u003efour-jaw independent\u003c\/strong\u003e chuck holds round, square, rectangular, and irregular parts by adjusting \u003cstrong\u003eeach jaw separately\u003c\/strong\u003e. Unlike a self-centering scroll chuck, you can \u003cstrong\u003edial in concentricity\u003c\/strong\u003e with a dial indicator or intentionally \u003cstrong\u003eoffset\u003c\/strong\u003e the work for boring or turning eccentric features. This listing is the \u003cstrong\u003eplain back\u003c\/strong\u003e configuration—machine an \u003cstrong\u003eadapter plate\u003c\/strong\u003e to match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern (adapter not included).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnvelope reference:\u003c\/strong\u003e combined internal-jaw and external-jaw ranges cover approximately \u003cstrong\u003e25–400 mm (0.98–15.75 in)\u003c\/strong\u003e depending on jaw orientation and setup.\u003c\/p\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHigh-grade gray cast iron (HT200 \/ HT300 class, series dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003ctd\u003eHardened steel \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInternal jaws (A–A1):\u003c\/strong\u003e 25–250 mm — typical OD gripping with jaws in the standard orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExternal jaws (B–B1):\u003c\/strong\u003e 118–400 mm — clamping larger diameters \/ reverse-jaw style holding per factory chart.\u003c\/p\u003e\n\u003cp\u003eUse the jaw positions and factory instructions that match your operation; the \u003cstrong\u003eoverall span\u003c\/strong\u003e above is a quick reference only.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent jaws:\u003c\/strong\u003e Four separate adjustments for square, round, or off-center work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain back (D1\/D2):\u003c\/strong\u003e Recess diameter \u003cstrong\u003eD1 = 160 mm\u003c\/strong\u003e, depth \u003cstrong\u003eh = 8 mm\u003c\/strong\u003e; bolt circle \u003cstrong\u003eD2 = 185 mm\u003c\/strong\u003e; \u003cstrong\u003e4× M16\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough hole D3:\u003c\/strong\u003e 125 mm for bar work (confirm against your bar stock).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeights:\u003c\/strong\u003e \u003cstrong\u003eH = 143 mm\u003c\/strong\u003e overall, \u003cstrong\u003eH1 = 95 mm\u003c\/strong\u003e body thickness reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key included\u003c\/strong\u003e for jaw adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions from factory K72-series plain-back table; clamping from K72 clamping-range chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck diameter (D)\u003c\/td\u003e\n\u003ctd\u003e400 mm (15.75 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (mounting recess diameter)\u003c\/td\u003e\n\u003ctd\u003e160 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (recess depth)\u003c\/td\u003e\n\u003ctd\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e185 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole)\u003c\/td\u003e\n\u003ctd\u003e125 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (overall height)\u003c\/td\u003e\n\u003ctd\u003e143 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness)\u003c\/td\u003e\n\u003ctd\u003e95 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal jaws (A–A1)\u003c\/td\u003e\n\u003ctd\u003e25–250 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal jaws (B–B1)\u003c\/td\u003e\n\u003ctd\u003e118–400 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e4× M16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e53.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShafts, rings, and rounds where you want manual control of runout.\u003c\/li\u003e\n\u003cli\u003eSquare or rectangular billets; weldments and castings with uneven OD.\u003c\/li\u003e\n\u003cli\u003eLight eccentric turning when the machine and setup allow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eLathe swing must clear diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully extended jaws. Build or purchase an adapter that matches \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the listed bolt pattern.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eKeep jaw slides clean; lubricate per factory practice with \u003cstrong\u003echuck grease\u003c\/strong\u003e or light oil suitable for slideways.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever leave the chuck key engaged; respect safe RPM for size and balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879008096441,"sku":null,"price":999.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K7280-630.png?v=1776302833"},{"product_id":"top-tool-500mm-4-jaw-independent-plain-back-clamping-35-500mm","title":"TOP-TOOL 500mm \/ 20-Inch 4-Jaw Independent Lathe Chuck, Plain Back, Clamping Range 35–500 mm (1.38–19.69 in), T-Key","description":"\u003ch2\u003eProfessional 500mm \/ 20-Inch 4-Jaw Independent Lathe Chuck (Plain Back)\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL \u003cstrong\u003efour-jaw independent\u003c\/strong\u003e chuck holds round, square, rectangular, and irregular parts by adjusting \u003cstrong\u003eeach jaw separately\u003c\/strong\u003e. Unlike a self-centering scroll chuck, you can \u003cstrong\u003edial in concentricity\u003c\/strong\u003e with a dial indicator or intentionally \u003cstrong\u003eoffset\u003c\/strong\u003e the work for boring or turning eccentric features. This listing is the \u003cstrong\u003eplain back\u003c\/strong\u003e configuration—machine an \u003cstrong\u003eadapter plate\u003c\/strong\u003e to match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern (adapter not included).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnvelope reference:\u003c\/strong\u003e combined internal-jaw and external-jaw ranges cover approximately \u003cstrong\u003e35–500 mm (1.38–19.69 in)\u003c\/strong\u003e depending on jaw orientation and setup.\u003c\/p\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHigh-grade gray cast iron (HT200 \/ HT300 class, series dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003ctd\u003eHardened steel \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInternal jaws (A–A1):\u003c\/strong\u003e 35–300 mm — typical OD gripping with jaws in the standard orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExternal jaws (B–B1):\u003c\/strong\u003e 125–500 mm — clamping larger diameters \/ reverse-jaw style holding per factory chart.\u003c\/p\u003e\n\u003cp\u003eUse the jaw positions and factory instructions that match your operation; the \u003cstrong\u003eoverall span\u003c\/strong\u003e above is a quick reference only.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent jaws:\u003c\/strong\u003e Four separate adjustments for square, round, or off-center work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain back (D1\/D2):\u003c\/strong\u003e Recess diameter \u003cstrong\u003eD1 = 200 mm\u003c\/strong\u003e, depth \u003cstrong\u003eh = 8 mm\u003c\/strong\u003e; bolt circle \u003cstrong\u003eD2 = 236 mm\u003c\/strong\u003e; \u003cstrong\u003e4× M20\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough hole D3:\u003c\/strong\u003e 160 mm for bar work (confirm against your bar stock).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeights:\u003c\/strong\u003e \u003cstrong\u003eH = 161 mm\u003c\/strong\u003e overall, \u003cstrong\u003eH1 = 106 mm\u003c\/strong\u003e body thickness reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key included\u003c\/strong\u003e for jaw adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions from factory K72-series plain-back table; clamping from K72 clamping-range chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck diameter (D)\u003c\/td\u003e\n\u003ctd\u003e500 mm (19.69 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (mounting recess diameter)\u003c\/td\u003e\n\u003ctd\u003e200 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (recess depth)\u003c\/td\u003e\n\u003ctd\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e236 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole)\u003c\/td\u003e\n\u003ctd\u003e160 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (overall height)\u003c\/td\u003e\n\u003ctd\u003e161 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness)\u003c\/td\u003e\n\u003ctd\u003e106 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal jaws (A–A1)\u003c\/td\u003e\n\u003ctd\u003e35–300 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal jaws (B–B1)\u003c\/td\u003e\n\u003ctd\u003e125–500 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e4× M20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e91.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShafts, rings, and rounds where you want manual control of runout.\u003c\/li\u003e\n\u003cli\u003eSquare or rectangular billets; weldments and castings with uneven OD.\u003c\/li\u003e\n\u003cli\u003eLight eccentric turning when the machine and setup allow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eLathe swing must clear diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully extended jaws. Build or purchase an adapter that matches \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the listed bolt pattern.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eKeep jaw slides clean; lubricate per factory practice with \u003cstrong\u003echuck grease\u003c\/strong\u003e or light oil suitable for slideways.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever leave the chuck key engaged; respect safe RPM for size and balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879008161977,"sku":null,"price":999.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K7280-630_d0af3e64-e1e3-4f92-bf10-dac23ca003de.png?v=1776303554"},{"product_id":"top-tool-630mm-4-jaw-independent-plain-back-clamping-50-630mm","title":"TOP-TOOL 630mm \/ 25-Inch 4-Jaw Independent Lathe Chuck, Plain Back, Clamping Range 50–630 mm (1.97–24.80 in), T-Key","description":"\u003ch2\u003eProfessional 630mm \/ 25-Inch 4-Jaw Independent Lathe Chuck (Plain Back)\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL \u003cstrong\u003efour-jaw independent\u003c\/strong\u003e chuck holds round, square, rectangular, and irregular parts by adjusting \u003cstrong\u003eeach jaw separately\u003c\/strong\u003e. Unlike a self-centering scroll chuck, you can \u003cstrong\u003edial in concentricity\u003c\/strong\u003e with a dial indicator or intentionally \u003cstrong\u003eoffset\u003c\/strong\u003e the work for boring or turning eccentric features. This listing is the \u003cstrong\u003eplain back\u003c\/strong\u003e configuration—machine an \u003cstrong\u003eadapter plate\u003c\/strong\u003e to match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern (adapter not included).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnvelope reference:\u003c\/strong\u003e combined internal-jaw and external-jaw ranges cover approximately \u003cstrong\u003e50–630 mm (1.97–24.80 in)\u003c\/strong\u003e depending on jaw orientation and setup.\u003c\/p\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003ctable style=\"width: 100.021%; height: 78.3856px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5964px;\"\u003e\n\u003cth style=\"width: 15.5988%; height: 19.5964px;\"\u003eComponent\u003c\/th\u003e\n\u003cth style=\"width: 82.1628%; height: 19.5964px;\"\u003eMaterial\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5964px;\"\u003e\n\u003ctd style=\"width: 15.5988%; height: 19.5964px;\"\u003eBody\u003c\/td\u003e\n\u003ctd style=\"width: 82.1628%; height: 19.5964px;\"\u003eHigh-grade gray cast iron (HT200 \/ HT300 class, series dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5964px;\"\u003e\n\u003ctd style=\"width: 15.5988%; height: 19.5964px;\"\u003eJaws\u003c\/td\u003e\n\u003ctd style=\"width: 82.1628%; height: 19.5964px;\"\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5964px;\"\u003e\n\u003ctd style=\"width: 15.5988%; height: 19.5964px;\"\u003eScrew\u003c\/td\u003e\n\u003ctd style=\"width: 82.1628%; height: 19.5964px;\"\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInternal jaws (A–A1):\u003c\/strong\u003e 50–400 mm — typical OD gripping with jaws in the standard orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExternal jaws (B–B1):\u003c\/strong\u003e 160–630 mm — clamping larger diameters \/ reverse-jaw style holding per factory chart.\u003c\/p\u003e\n\u003cp\u003eUse the jaw positions and factory instructions that match your operation; the \u003cstrong\u003eoverall span\u003c\/strong\u003e above is a quick reference only.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent jaws:\u003c\/strong\u003e Four separate adjustments for square, round, or off-center work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain back (D1\/D2):\u003c\/strong\u003e Recess diameter \u003cstrong\u003eD1 = 220 mm\u003c\/strong\u003e, depth \u003cstrong\u003eh = 10 mm\u003c\/strong\u003e; bolt circle \u003cstrong\u003eD2 = 258 mm\u003c\/strong\u003e; \u003cstrong\u003e4× M20\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough hole D3:\u003c\/strong\u003e 180 mm for bar work (confirm against your bar stock).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeights:\u003c\/strong\u003e \u003cstrong\u003eH = 180 mm\u003c\/strong\u003e overall, \u003cstrong\u003eH1 = 115 mm\u003c\/strong\u003e body thickness reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key included\u003c\/strong\u003e for jaw adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions from factory K72-series plain-back table; clamping from K72 clamping-range chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck diameter (D)\u003c\/td\u003e\n\u003ctd\u003e630 mm (24.80 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (mounting recess diameter)\u003c\/td\u003e\n\u003ctd\u003e220 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (recess depth)\u003c\/td\u003e\n\u003ctd\u003e10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e258 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole)\u003c\/td\u003e\n\u003ctd\u003e180 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (overall height)\u003c\/td\u003e\n\u003ctd\u003e180 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness)\u003c\/td\u003e\n\u003ctd\u003e115 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal jaws (A–A1)\u003c\/td\u003e\n\u003ctd\u003e50–400 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal jaws (B–B1)\u003c\/td\u003e\n\u003ctd\u003e160–630 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e4× M20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e146.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShafts, rings, and rounds where you want manual control of runout.\u003c\/li\u003e\n\u003cli\u003eSquare or rectangular billets; weldments and castings with uneven OD.\u003c\/li\u003e\n\u003cli\u003eLight eccentric turning when the machine and setup allow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eLathe swing must clear diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully extended jaws. Build or purchase an adapter that matches \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the listed bolt pattern.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eKeep jaw slides clean; lubricate per factory practice with \u003cstrong\u003echuck grease\u003c\/strong\u003e or light oil suitable for slideways.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever leave the chuck key engaged; respect safe RPM for size and balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879008194745,"sku":null,"price":999.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K7280-630.png?v=1776302833"},{"product_id":"top-tool-800mm-4-jaw-independent-plain-back-clamping-70-800mm","title":"TOP-TOOL 800mm \/ 32-Inch 4-Jaw Independent Lathe Chuck, Plain Back, Clamping Range 70–800 mm (2.76–31.50 in), T-Key","description":"\u003ch2\u003eProfessional 800mm \/ 32-Inch 4-Jaw Independent Lathe Chuck (Plain Back)\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL \u003cstrong\u003efour-jaw independent\u003c\/strong\u003e chuck holds round, square, rectangular, and irregular parts by adjusting \u003cstrong\u003eeach jaw separately\u003c\/strong\u003e. Unlike a self-centering scroll chuck, you can \u003cstrong\u003edial in concentricity\u003c\/strong\u003e with a dial indicator or intentionally \u003cstrong\u003eoffset\u003c\/strong\u003e the work for boring or turning eccentric features. This listing is the \u003cstrong\u003eplain back\u003c\/strong\u003e configuration—machine an \u003cstrong\u003eadapter plate\u003c\/strong\u003e to match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern (adapter not included).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnvelope reference:\u003c\/strong\u003e combined internal-jaw and external-jaw ranges cover approximately \u003cstrong\u003e70–800 mm (2.76–31.50 in)\u003c\/strong\u003e depending on jaw orientation and setup.\u003c\/p\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003ctable style=\"width: 100.021%; height: 84.3856px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5964px;\"\u003e\n\u003cth style=\"width: 15.5988%; height: 19.5964px;\"\u003eComponent\u003c\/th\u003e\n\u003cth style=\"width: 82.1628%; height: 19.5964px;\"\u003eMaterial\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 25.5964px;\"\u003e\n\u003ctd style=\"width: 15.5988%; height: 25.5964px;\"\u003eBody\u003c\/td\u003e\n\u003ctd style=\"width: 82.1628%; height: 25.5964px;\"\u003eHigh-grade gray cast iron (HT200 \/ HT300 class, series dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5964px;\"\u003e\n\u003ctd style=\"width: 15.5988%; height: 19.5964px;\"\u003eJaws\u003c\/td\u003e\n\u003ctd style=\"width: 82.1628%; height: 19.5964px;\"\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5964px;\"\u003e\n\u003ctd style=\"width: 15.5988%; height: 19.5964px;\"\u003eScrew\u003c\/td\u003e\n\u003ctd style=\"width: 82.1628%; height: 19.5964px;\"\u003eHardened steel \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInternal jaws (A–A1):\u003c\/strong\u003e 70–540 mm — typical OD gripping with jaws in the standard orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExternal jaws (B–B1):\u003c\/strong\u003e 200–800 mm — clamping larger diameters \/ reverse-jaw style holding per factory chart.\u003c\/p\u003e\n\u003cp\u003eUse the jaw positions and factory instructions that match your operation; the \u003cstrong\u003eoverall span\u003c\/strong\u003e above is a quick reference only.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent jaws:\u003c\/strong\u003e Four separate adjustments for square, round, or off-center work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain back (D1\/D2):\u003c\/strong\u003e Recess diameter \u003cstrong\u003eD1 = 250 mm\u003c\/strong\u003e, depth \u003cstrong\u003eh = 12 mm\u003c\/strong\u003e; bolt circle \u003cstrong\u003eD2 = 300 mm\u003c\/strong\u003e; \u003cstrong\u003e8× M20\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough hole D3:\u003c\/strong\u003e 210 mm for bar work (confirm against your bar stock).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeights:\u003c\/strong\u003e \u003cstrong\u003eH = 210 mm\u003c\/strong\u003e overall, \u003cstrong\u003eH1 = 135 mm\u003c\/strong\u003e body thickness reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key included\u003c\/strong\u003e for jaw adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions from factory K72-series plain-back table; clamping from K72 clamping-range chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck diameter (D)\u003c\/td\u003e\n\u003ctd\u003e800 mm (31.50 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (mounting recess diameter)\u003c\/td\u003e\n\u003ctd\u003e250 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (recess depth)\u003c\/td\u003e\n\u003ctd\u003e12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e300 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole)\u003c\/td\u003e\n\u003ctd\u003e210 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (overall height)\u003c\/td\u003e\n\u003ctd\u003e210 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness)\u003c\/td\u003e\n\u003ctd\u003e135 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal jaws (A–A1)\u003c\/td\u003e\n\u003ctd\u003e70–540 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal jaws (B–B1)\u003c\/td\u003e\n\u003ctd\u003e200–800 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e8× M20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e252 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShafts, rings, and rounds where you want manual control of runout.\u003c\/li\u003e\n\u003cli\u003eSquare or rectangular billets; weldments and castings with uneven OD.\u003c\/li\u003e\n\u003cli\u003eLight eccentric turning when the machine and setup allow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eLathe swing must clear diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully extended jaws. Build or purchase an adapter that matches \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the listed bolt pattern.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eKeep jaw slides clean; lubricate per factory practice with \u003cstrong\u003echuck grease\u003c\/strong\u003e or light oil suitable for slideways.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever leave the chuck key engaged; respect safe RPM for size and balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879008325817,"sku":null,"price":999.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K72800-2000.png?v=1776303125"},{"product_id":"top-tool-1000mm-4-jaw-independent-plain-back-clamping-100-1000mm","title":"TOP-TOOL 1000mm \/ 40-Inch 4-Jaw Independent Lathe Chuck, Plain Back, Clamping Range 100–1000 mm (3.94–39.37 in), T-Key","description":"\u003ch2\u003eProfessional 1000mm \/ 40-Inch 4-Jaw Independent Lathe Chuck (Plain Back)\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL \u003cstrong\u003efour-jaw independent\u003c\/strong\u003e chuck holds round, square, rectangular, and irregular parts by adjusting \u003cstrong\u003eeach jaw separately\u003c\/strong\u003e. Unlike a self-centering scroll chuck, you can \u003cstrong\u003edial in concentricity\u003c\/strong\u003e with a dial indicator or intentionally \u003cstrong\u003eoffset\u003c\/strong\u003e the work for boring or turning eccentric features. This listing is the \u003cstrong\u003eplain back\u003c\/strong\u003e configuration—machine an \u003cstrong\u003eadapter plate\u003c\/strong\u003e to match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern (adapter not included).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnvelope reference:\u003c\/strong\u003e combined internal-jaw and external-jaw ranges cover approximately \u003cstrong\u003e100–1000 mm (3.94–39.37 in)\u003c\/strong\u003e depending on jaw orientation and setup.\u003c\/p\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHigh-grade gray cast iron (HT200 \/ HT300 class, series dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003ctd\u003eHardened steel \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInternal jaws (A–A1):\u003c\/strong\u003e 100–680 mm — typical OD gripping with jaws in the standard orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExternal jaws (B–B1):\u003c\/strong\u003e 250–1000 mm — clamping larger diameters \/ reverse-jaw style holding per factory chart.\u003c\/p\u003e\n\u003cp\u003eUse the jaw positions and factory instructions that match your operation; the \u003cstrong\u003eoverall span\u003c\/strong\u003e above is a quick reference only.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent jaws:\u003c\/strong\u003e Four separate adjustments for square, round, or off-center work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain back (D1\/D2):\u003c\/strong\u003e Recess diameter \u003cstrong\u003eD1 = 320 mm\u003c\/strong\u003e, depth \u003cstrong\u003eh = 15 mm\u003c\/strong\u003e; bolt circle \u003cstrong\u003eD2 = 370 mm\u003c\/strong\u003e; \u003cstrong\u003e8× M20\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough hole D3:\u003c\/strong\u003e 305 mm for bar work (confirm against your bar stock).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeights:\u003c\/strong\u003e \u003cstrong\u003eH = 236 mm\u003c\/strong\u003e overall, \u003cstrong\u003eH1 = 145 mm\u003c\/strong\u003e body thickness reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key included\u003c\/strong\u003e for jaw adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions from factory K72-series plain-back table; clamping from K72 clamping-range chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck diameter (D)\u003c\/td\u003e\n\u003ctd\u003e1000 mm (39.37 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (mounting recess diameter)\u003c\/td\u003e\n\u003ctd\u003e320 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (recess depth)\u003c\/td\u003e\n\u003ctd\u003e15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e370 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole)\u003c\/td\u003e\n\u003ctd\u003e305 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (overall height)\u003c\/td\u003e\n\u003ctd\u003e236 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness)\u003c\/td\u003e\n\u003ctd\u003e145 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal jaws (A–A1)\u003c\/td\u003e\n\u003ctd\u003e100–680 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal jaws (B–B1)\u003c\/td\u003e\n\u003ctd\u003e250–1000 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e8× M20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e395 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShafts, rings, and rounds where you want manual control of runout.\u003c\/li\u003e\n\u003cli\u003eSquare or rectangular billets; weldments and castings with uneven OD.\u003c\/li\u003e\n\u003cli\u003eLight eccentric turning when the machine and setup allow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eLathe swing must clear diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully extended jaws. Build or purchase an adapter that matches \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the listed bolt pattern.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eKeep jaw slides clean; lubricate per factory practice with \u003cstrong\u003echuck grease\u003c\/strong\u003e or light oil suitable for slideways.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever leave the chuck key engaged; respect safe RPM for size and balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879008391353,"sku":null,"price":999.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K72800-2000.png?v=1776303125"},{"product_id":"top-tool-1250mm-4-jaw-independent-plain-back-clamping-200-1250mm","title":"TOP-TOOL 1250mm \/ 49-Inch 4-Jaw Independent Lathe Chuck, Plain Back, Clamping Range 200–1250 mm (7.87–49.21 in), T-Key","description":"\u003ch2\u003eProfessional 1250mm \/ 49-Inch 4-Jaw Independent Lathe Chuck (Plain Back)\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL \u003cstrong\u003efour-jaw independent\u003c\/strong\u003e chuck holds round, square, rectangular, and irregular parts by adjusting \u003cstrong\u003eeach jaw separately\u003c\/strong\u003e. Unlike a self-centering scroll chuck, you can \u003cstrong\u003edial in concentricity\u003c\/strong\u003e with a dial indicator or intentionally \u003cstrong\u003eoffset\u003c\/strong\u003e the work for boring or turning eccentric features. This listing is the \u003cstrong\u003eplain back\u003c\/strong\u003e configuration—machine an \u003cstrong\u003eadapter plate\u003c\/strong\u003e to match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern (adapter not included).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnvelope reference:\u003c\/strong\u003e combined internal-jaw and external-jaw ranges cover approximately \u003cstrong\u003e200–1250 mm (7.87–49.21 in)\u003c\/strong\u003e depending on jaw orientation and setup.\u003c\/p\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHigh-grade gray cast iron (HT200 \/ HT300 class, series dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003ctd\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInternal jaws (A–A1):\u003c\/strong\u003e 200–750 mm — typical OD gripping with jaws in the standard orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExternal jaws (B–B1):\u003c\/strong\u003e 400–1250 mm — clamping larger diameters \/ reverse-jaw style holding per factory chart.\u003c\/p\u003e\n\u003cp\u003eUse the jaw positions and factory instructions that match your operation; the \u003cstrong\u003eoverall span\u003c\/strong\u003e above is a quick reference only.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent jaws:\u003c\/strong\u003e Four separate adjustments for square, round, or off-center work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain back (D1\/D2):\u003c\/strong\u003e Recess diameter \u003cstrong\u003eD1 = 400 mm\u003c\/strong\u003e, depth \u003cstrong\u003eh = 15 mm\u003c\/strong\u003e; bolt circle \u003cstrong\u003eD2 = 500 mm\u003c\/strong\u003e; \u003cstrong\u003e8× M20\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough hole D3:\u003c\/strong\u003e 305 mm for bar work (confirm against your bar stock).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeights:\u003c\/strong\u003e \u003cstrong\u003eH = 251 mm\u003c\/strong\u003e overall, \u003cstrong\u003eH1 = 160 mm\u003c\/strong\u003e body thickness reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key included\u003c\/strong\u003e for jaw adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions from factory K72-series plain-back table; clamping from K72 clamping-range chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck diameter (D)\u003c\/td\u003e\n\u003ctd\u003e1250 mm (49.21 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (mounting recess diameter)\u003c\/td\u003e\n\u003ctd\u003e400 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (recess depth)\u003c\/td\u003e\n\u003ctd\u003e15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e500 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole)\u003c\/td\u003e\n\u003ctd\u003e305 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (overall height)\u003c\/td\u003e\n\u003ctd\u003e251 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness)\u003c\/td\u003e\n\u003ctd\u003e160 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal jaws (A–A1)\u003c\/td\u003e\n\u003ctd\u003e200–750 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal jaws (B–B1)\u003c\/td\u003e\n\u003ctd\u003e400–1250 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e8× M20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e585 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShafts, rings, and rounds where you want manual control of runout.\u003c\/li\u003e\n\u003cli\u003eSquare or rectangular billets; weldments and castings with uneven OD.\u003c\/li\u003e\n\u003cli\u003eLight eccentric turning when the machine and setup allow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eLathe swing must clear diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully extended jaws. Build or purchase an adapter that matches \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the listed bolt pattern.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eKeep jaw slides clean; lubricate per factory practice with \u003cstrong\u003echuck grease\u003c\/strong\u003e or light oil suitable for slideways.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever leave the chuck key engaged; respect safe RPM for size and balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879008424121,"sku":null,"price":999.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K72800-2000.png?v=1776303125"},{"product_id":"top-tool-1400mm-4-jaw-independent-plain-back-clamping-200-1400mm","title":"TOP-TOOL 1400mm \/ 55-Inch 4-Jaw Independent Lathe Chuck, Plain Back, Clamping Range 200–1400 mm (7.87–55.12 in), T-Key","description":"\u003ch2\u003eProfessional 1400mm \/ 55-Inch 4-Jaw Independent Lathe Chuck (Plain Back)\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL \u003cstrong\u003efour-jaw independent\u003c\/strong\u003e chuck holds round, square, rectangular, and irregular parts by adjusting \u003cstrong\u003eeach jaw separately\u003c\/strong\u003e. Unlike a self-centering scroll chuck, you can \u003cstrong\u003edial in concentricity\u003c\/strong\u003e with a dial indicator or intentionally \u003cstrong\u003eoffset\u003c\/strong\u003e the work for boring or turning eccentric features. This listing is the \u003cstrong\u003eplain back\u003c\/strong\u003e configuration—machine an \u003cstrong\u003eadapter plate\u003c\/strong\u003e to match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern (adapter not included).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnvelope reference:\u003c\/strong\u003e combined internal-jaw and external-jaw ranges cover approximately \u003cstrong\u003e200–1400 mm (7.87–55.12 in)\u003c\/strong\u003e depending on jaw orientation and setup.\u003c\/p\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHigh-grade gray cast iron (HT200 \/ HT300 class, series dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003ctd\u003eHardened steel \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInternal jaws (A–A1):\u003c\/strong\u003e 200–800 mm — typical OD gripping with jaws in the standard orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExternal jaws (B–B1):\u003c\/strong\u003e 400–1400 mm — clamping larger diameters \/ reverse-jaw style holding per factory chart.\u003c\/p\u003e\n\u003cp\u003eUse the jaw positions and factory instructions that match your operation; the \u003cstrong\u003eoverall span\u003c\/strong\u003e above is a quick reference only.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent jaws:\u003c\/strong\u003e Four separate adjustments for square, round, or off-center work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain back (D1\/D2):\u003c\/strong\u003e Recess diameter \u003cstrong\u003eD1 = 400 mm\u003c\/strong\u003e, depth \u003cstrong\u003eh = 15 mm\u003c\/strong\u003e; bolt circle \u003cstrong\u003eD2 = 500 mm\u003c\/strong\u003e; \u003cstrong\u003e8× M20\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough hole D3:\u003c\/strong\u003e 305 mm for bar work (confirm against your bar stock).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeights:\u003c\/strong\u003e \u003cstrong\u003eH = 246 mm\u003c\/strong\u003e overall, \u003cstrong\u003eH1 = 155 mm\u003c\/strong\u003e body thickness reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key included\u003c\/strong\u003e for jaw adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions from factory K72-series plain-back table; clamping from K72 clamping-range chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck diameter (D)\u003c\/td\u003e\n\u003ctd\u003e1400 mm (55.12 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (mounting recess diameter)\u003c\/td\u003e\n\u003ctd\u003e400 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (recess depth)\u003c\/td\u003e\n\u003ctd\u003e15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e500 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole)\u003c\/td\u003e\n\u003ctd\u003e305 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (overall height)\u003c\/td\u003e\n\u003ctd\u003e246 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness)\u003c\/td\u003e\n\u003ctd\u003e155 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal jaws (A–A1)\u003c\/td\u003e\n\u003ctd\u003e200–800 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal jaws (B–B1)\u003c\/td\u003e\n\u003ctd\u003e400–1400 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e8× M20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e1030 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShafts, rings, and rounds where you want manual control of runout.\u003c\/li\u003e\n\u003cli\u003eSquare or rectangular billets; weldments and castings with uneven OD.\u003c\/li\u003e\n\u003cli\u003eLight eccentric turning when the machine and setup allow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eLathe swing must clear diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully extended jaws. Build or purchase an adapter that matches \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the listed bolt pattern.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eKeep jaw slides clean; lubricate per factory practice with \u003cstrong\u003echuck grease\u003c\/strong\u003e or light oil suitable for slideways.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever leave the chuck key engaged; respect safe RPM for size and balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879008489657,"sku":null,"price":999.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K72800-2000.png?v=1776303125"},{"product_id":"top-tool-1600mm-4-jaw-independent-plain-back-clamping-250-1600mm","title":"TOP-TOOL 1600mm \/63-Inch 4-Jaw Independent Lathe Chuck, Plain Back, Clamping Range 250–1600 mm (9.84–62.99 in), T-Key","description":"\u003ch2\u003eProfessional 1600mm \/ 63-Inch 4-Jaw Independent Lathe Chuck (Plain Back)\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL \u003cstrong\u003efour-jaw independent\u003c\/strong\u003e chuck holds round, square, rectangular, and irregular parts by adjusting \u003cstrong\u003eeach jaw separately\u003c\/strong\u003e. Unlike a self-centering scroll chuck, you can \u003cstrong\u003edial in concentricity\u003c\/strong\u003e with a dial indicator or intentionally \u003cstrong\u003eoffset\u003c\/strong\u003e the work for boring or turning eccentric features. This listing is the \u003cstrong\u003eplain back\u003c\/strong\u003e configuration—machine an \u003cstrong\u003eadapter plate\u003c\/strong\u003e to match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern (adapter not included).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnvelope reference:\u003c\/strong\u003e combined internal-jaw and external-jaw ranges cover approximately \u003cstrong\u003e250–1600 mm (9.84–62.99 in)\u003c\/strong\u003e depending on jaw orientation and setup.\u003c\/p\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHigh-grade gray cast iron (HT200 \/ HT300 class, series dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003ctd\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInternal jaws (A–A1):\u003c\/strong\u003e 250–850 mm — typical OD gripping with jaws in the standard orientation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExternal jaws (B–B1):\u003c\/strong\u003e 500–1600 mm — clamping larger diameters \/ reverse-jaw style holding per factory chart.\u003c\/p\u003e\n\u003cp\u003eUse the jaw positions and factory instructions that match your operation; the \u003cstrong\u003eoverall span\u003c\/strong\u003e above is a quick reference only.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent jaws:\u003c\/strong\u003e Four separate adjustments for square, round, or off-center work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain back (D1\/D2):\u003c\/strong\u003e Recess diameter \u003cstrong\u003eD1 = 420 mm\u003c\/strong\u003e, depth \u003cstrong\u003eh = 18 mm\u003c\/strong\u003e; bolt circle \u003cstrong\u003eD2 = 520 mm\u003c\/strong\u003e; \u003cstrong\u003e8× M24\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough hole D3:\u003c\/strong\u003e 320 mm for bar work (confirm against your bar stock).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeights:\u003c\/strong\u003e \u003cstrong\u003eH = 266 mm\u003c\/strong\u003e overall, \u003cstrong\u003eH1 = 175 mm\u003c\/strong\u003e body thickness reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key included\u003c\/strong\u003e for jaw adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions from factory K72-series plain-back table; clamping from K72 clamping-range chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck diameter (D)\u003c\/td\u003e\n\u003ctd\u003e1600 mm (62.99 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (mounting recess diameter)\u003c\/td\u003e\n\u003ctd\u003e420 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (recess depth)\u003c\/td\u003e\n\u003ctd\u003e18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e520 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole)\u003c\/td\u003e\n\u003ctd\u003e320 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (overall height)\u003c\/td\u003e\n\u003ctd\u003e266 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness)\u003c\/td\u003e\n\u003ctd\u003e175 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal jaws (A–A1)\u003c\/td\u003e\n\u003ctd\u003e250–850 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal jaws (B–B1)\u003c\/td\u003e\n\u003ctd\u003e500–1600 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e8× M24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e1570 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShafts, rings, and rounds where you want manual control of runout.\u003c\/li\u003e\n\u003cli\u003eSquare or rectangular billets; weldments and castings with uneven OD.\u003c\/li\u003e\n\u003cli\u003eLight eccentric turning when the machine and setup allow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eLathe swing must clear diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully extended jaws. Build or purchase an adapter that matches \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the listed bolt pattern.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eKeep jaw slides clean; lubricate per factory practice with \u003cstrong\u003echuck grease\u003c\/strong\u003e or light oil suitable for slideways.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever leave the chuck key engaged; respect safe RPM for size and balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879008555193,"sku":null,"price":999.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K72800-2000.png?v=1776303125"},{"product_id":"top-tool-325mm-3-jaw-camlock-size-6-two-piece-jaws-clamping-11p5-320mm-short-taper","title":"TOP-TOOL 325D6, 325mm \/ 12-Inch 3-Jaw Self-Centering Lathe Chuck, Form D Short-Taper Camlock, Clamping Range 11.5–320 mm (0.45–12.60 in), Two-Piece Jaws (Master + Reversible Top Jaws), Pre-Mounted Set, T-Key, Direct Mount (No Backing Plate)","description":"\u003ch2\u003eProfessional 325D6 — 325mm \/ 12.80-Inch 3-Jaw Self-Centering Chuck, Form D Short-Taper Camlock\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e325D6\u003c\/strong\u003e is built for \u003cstrong\u003eshort-taper lathe spindles\u003c\/strong\u003e that use \u003cstrong\u003eForm D (camlock) retention\u003c\/strong\u003e. It mounts \u003cstrong\u003edirectly on the spindle nose\u003c\/strong\u003e with cam pins and studs; \u003cstrong\u003eno separate adapter flange\u003c\/strong\u003e is required when your spindle matches this interface. Short taper reference angle \u003cstrong\u003e7°7′30″\u003c\/strong\u003e. Overall clamping envelope \u003cstrong\u003e11.5–320 mm (0.45–12.60 in)\u003c\/strong\u003e (same jaw geometry class as our plain-back models of the same diameter class).\u003c\/p\u003e\n\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 11.5–145 mm on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 95–320 mm internal gripping.\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 110–320 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e11.5–320 mm (0.45–12.60 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForm D Camlock:\u003c\/strong\u003e Studs and camlock ring geometry for quick, repeatable spindle mounting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Mount:\u003c\/strong\u003e The \u003cstrong\u003e325D6\u003c\/strong\u003e interface—no backing plate when the spindle nose matches.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron\u003c\/strong\u003e body; hardened scroll and gears (AISI 5140).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58)\u003c\/strong\u003e (AISI 1045).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQC:\u003c\/strong\u003e Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e per factory test-bar procedure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo-Piece Jaw System:\u003c\/strong\u003e Master jaws with \u003cstrong\u003ereversible top jaws\u003c\/strong\u003e pre-mounted for OD\/ID setups. \u003cstrong\u003eNo second full jaw kit\u003c\/strong\u003e is included (packaging differs from solid-jaw models).\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003etwo-piece jaws\u003c\/strong\u003e. For \u003cstrong\u003esolid outside\/inside jaw sets\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e325D6\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD (chuck body diameter)\u003c\/td\u003e\n\u003ctd\u003e325 mm (12.80 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD1 (short taper large end)\u003c\/td\u003e\n\u003ctd\u003e106.375 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD2 (stud \/ bolt spacing)\u003c\/td\u003e\n\u003ctd\u003e133.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD3 (chuck through hole)\u003c\/td\u003e\n\u003ctd\u003e102 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eH1 (body thickness, factory table)\u003c\/td\u003e\n\u003ctd\u003e103.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eh \/ h1 (mounting recess depths)\u003c\/td\u003e\n\u003ctd\u003e16 mm \/ 13 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eH (overall with jaws, reference)\u003c\/td\u003e\n\u003ctd\u003e155 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eStuds \/ bolts (z–d)\u003c\/td\u003e\n\u003ctd\u003e6× M16 × 1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e51.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eYou must verify that your lathe spindle nose \u003cstrong\u003eshort taper large-end size\u003c\/strong\u003e matches \u003cstrong\u003eD1\u003c\/strong\u003e, and that the spindle is \u003cstrong\u003eForm D (camlock retention)\u003c\/strong\u003e. Also confirm the \u003cstrong\u003estud pattern\u003c\/strong\u003e (z–d) matches your machine. Machine swing must clear chuck body diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully opened jaws.\u003c\/p\u003e\n\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean and lubricate the scroll and gears with \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Respect rated speeds for diameter and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879016648889,"sku":null,"price":434.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11_D5.png?v=1776043088"},{"product_id":"top-tool-325mm-3-jaw-camlock-size-8-two-piece-jaws-clamping-11p5-320mm-short-taper","title":"TOP-TOOL 325D8, 325mm \/ 12-Inch 3-Jaw Self-Centering Lathe Chuck, Form D Short-Taper Camlock, Clamping Range 11.5–320 mm (0.45–12.60 in), Two-Piece Jaws (Master + Reversible Top Jaws), Pre-Mounted Set, T-Key, Direct Mount (No Backing Plate)","description":"\u003ch2\u003eProfessional 325D8 — 325mm \/ 12.80-Inch 3-Jaw Self-Centering Chuck, Form D Short-Taper Camlock\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e325D8\u003c\/strong\u003e is built for \u003cstrong\u003eshort-taper lathe spindles\u003c\/strong\u003e that use \u003cstrong\u003eForm D (camlock) retention\u003c\/strong\u003e. It mounts \u003cstrong\u003edirectly on the spindle nose\u003c\/strong\u003e with cam pins and studs; \u003cstrong\u003eno separate adapter flange\u003c\/strong\u003e is required when your spindle matches this interface. Short taper reference angle \u003cstrong\u003e7°7′30″\u003c\/strong\u003e. Overall clamping envelope \u003cstrong\u003e11.5–320 mm (0.45–12.60 in)\u003c\/strong\u003e (same jaw geometry class as our plain-back models of the same diameter class).\u003c\/p\u003e\n\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 11.5–145 mm on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 95–320 mm internal gripping.\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 110–320 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e11.5–320 mm (0.45–12.60 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForm D Camlock:\u003c\/strong\u003e Studs and camlock ring geometry for quick, repeatable spindle mounting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Mount:\u003c\/strong\u003e The \u003cstrong\u003e325D8\u003c\/strong\u003e interface—no backing plate when the spindle nose matches.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron\u003c\/strong\u003e body; hardened scroll and gears (AISI 5140).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58)\u003c\/strong\u003e (AISI 1045).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQC:\u003c\/strong\u003e Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e per factory test-bar procedure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo-Piece Jaw System:\u003c\/strong\u003e Master jaws with \u003cstrong\u003ereversible top jaws\u003c\/strong\u003e pre-mounted for OD\/ID setups. \u003cstrong\u003eNo second full jaw kit\u003c\/strong\u003e is included (packaging differs from solid-jaw models).\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003etwo-piece jaws\u003c\/strong\u003e. For \u003cstrong\u003esolid outside\/inside jaw sets\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e325D8\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD (chuck body diameter)\u003c\/td\u003e\n\u003ctd\u003e325 mm (12.80 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD1 (short taper large end)\u003c\/td\u003e\n\u003ctd\u003e139.719 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD2 (stud \/ bolt spacing)\u003c\/td\u003e\n\u003ctd\u003e171.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD3 (chuck through hole)\u003c\/td\u003e\n\u003ctd\u003e102 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eH1 (body thickness, factory table)\u003c\/td\u003e\n\u003ctd\u003e103.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eh \/ h1 (mounting recess depths)\u003c\/td\u003e\n\u003ctd\u003e18 mm \/ 14 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eH (overall with jaws, reference)\u003c\/td\u003e\n\u003ctd\u003e155 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eStuds \/ bolts (z–d)\u003c\/td\u003e\n\u003ctd\u003e6× M20 × 1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e51.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eYou must verify that your lathe spindle nose \u003cstrong\u003eshort taper large-end size\u003c\/strong\u003e matches \u003cstrong\u003eD1\u003c\/strong\u003e, and that the spindle is \u003cstrong\u003eForm D (camlock retention)\u003c\/strong\u003e. Also confirm the \u003cstrong\u003estud pattern\u003c\/strong\u003e (z–d) matches your machine. Machine swing must clear chuck body diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully opened jaws.\u003c\/p\u003e\n\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean and lubricate the scroll and gears with \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Respect rated speeds for diameter and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879016681657,"sku":null,"price":434.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11_D5.png?v=1776043088"},{"product_id":"top-tool-325mm-3-jaw-camlock-size-11-two-piece-jaws-clamping-11p5-320mm-short-taper","title":"TOP-TOOL 325D11, 325mm \/ 12-Inch 3-Jaw Self-Centering Lathe Chuck, Form D Short-Taper Camlock, Clamping Range 11.5–320 mm (0.45–12.60 in), Two-Piece Jaws (Master + Reversible Top Jaws), Pre-Mounted Set, T-Key, Direct Mount (No Backing Plate)","description":"\u003ch2\u003eProfessional 325D11 — 325mm \/ 12.80-Inch 3-Jaw Self-Centering Chuck, Form D Short-Taper Camlock\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e325D11\u003c\/strong\u003e is built for \u003cstrong\u003eshort-taper lathe spindles\u003c\/strong\u003e that use \u003cstrong\u003eForm D (camlock) retention\u003c\/strong\u003e. It mounts \u003cstrong\u003edirectly on the spindle nose\u003c\/strong\u003e with cam pins and studs; \u003cstrong\u003eno separate adapter flange\u003c\/strong\u003e is required when your spindle matches this interface. Short taper reference angle \u003cstrong\u003e7°7′30″\u003c\/strong\u003e. Overall clamping envelope \u003cstrong\u003e11.5–320 mm (0.45–12.60 in)\u003c\/strong\u003e (same jaw geometry class as our plain-back models of the same diameter class).\u003c\/p\u003e\n\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 11.5–145 mm on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 95–320 mm internal gripping.\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 110–320 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e11.5–320 mm (0.45–12.60 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForm D Camlock:\u003c\/strong\u003e Studs and camlock ring geometry for quick, repeatable spindle mounting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Mount:\u003c\/strong\u003e The \u003cstrong\u003e325D11\u003c\/strong\u003e interface—no backing plate when the spindle nose matches.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron\u003c\/strong\u003e body; hardened scroll and gears (AISI 5140).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58)\u003c\/strong\u003e (AISI 1045).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQC:\u003c\/strong\u003e Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e per factory test-bar procedure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo-Piece Jaw System:\u003c\/strong\u003e Master jaws with \u003cstrong\u003ereversible top jaws\u003c\/strong\u003e pre-mounted for OD\/ID setups. \u003cstrong\u003eNo second full jaw kit\u003c\/strong\u003e is included (packaging differs from solid-jaw models).\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003etwo-piece jaws\u003c\/strong\u003e. For \u003cstrong\u003esolid outside\/inside jaw sets\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e325D11\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD (chuck body diameter)\u003c\/td\u003e\n\u003ctd\u003e325 mm (12.80 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD1 (short taper large end)\u003c\/td\u003e\n\u003ctd\u003e196.869 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD2 (stud \/ bolt spacing)\u003c\/td\u003e\n\u003ctd\u003e235.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eD3 (chuck through hole)\u003c\/td\u003e\n\u003ctd\u003e105 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eH1 (body thickness, factory table)\u003c\/td\u003e\n\u003ctd\u003e103.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eh \/ h1 (mounting recess depths)\u003c\/td\u003e\n\u003ctd\u003e20 mm \/ 16 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eH (overall with jaws, reference)\u003c\/td\u003e\n\u003ctd\u003e155 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eStuds \/ bolts (z–d)\u003c\/td\u003e\n\u003ctd\u003e6× M22 × 1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e53.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eYou must verify that your lathe spindle nose \u003cstrong\u003eshort taper large-end size\u003c\/strong\u003e matches \u003cstrong\u003eD1\u003c\/strong\u003e, and that the spindle is \u003cstrong\u003eForm D (camlock retention)\u003c\/strong\u003e. Also confirm the \u003cstrong\u003estud pattern\u003c\/strong\u003e (z–d) matches your machine. Machine swing must clear chuck body diameter \u003cstrong\u003eD\u003c\/strong\u003e and fully opened jaws.\u003c\/p\u003e\n\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean and lubricate the scroll and gears with \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Respect rated speeds for diameter and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46879016714425,"sku":null,"price":434.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11_D5.png?v=1776043088"},{"product_id":"top-tool-professional-4-jaw-self-centering-lathe-chuck-100mm-4-inch-cast-iron-construction-2-80mm-clamping-range-with-internal-external-jaws-and-t-key-副本","title":"TOP-TOOL Professional 4-Jaw Self-Centering Lathe Chuck, 100mm\/4-inch, Cast Iron Construction, 2-80mm Clamping Range with Internal External Jaws and T-Key（副本）","description":"\u003ch2\u003eProfessional 100mm \/ 4-Inch 4-Jaw Self-Centering Lathe Chuck\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL Professional 100mm 3-Jaw Self-Centering Lathe Chuck is the versatile workhorse for small to medium metal lathes. Built with a \u003cstrong\u003eHT300 Cast Iron body\u003c\/strong\u003e and \u003cstrong\u003eAISI 5140 alloy steel scroll\u003c\/strong\u003e, it combines self-centering speed with the precision needed for general-purpose turning.\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52-58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43-48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45-50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eHT100 \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHT300 Cast Iron Construction:\u003c\/strong\u003e High-grade grey cast iron provides superior vibration damping and rigidity for smoother cuts and better surface finishes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 alloy steel scroll (HRC 43-48) and bevel gears (HRC 45-50) for smooth, precise operation and long service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52-58):\u003c\/strong\u003e AISI 1045 carbon steel jaws through-hardened for maximum grip strength and wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Every chuck tested with 4 different diameter test bars. Repeatability ≤0.05mm (0.002\").\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e 3× M8 mounting holes. \u003cem\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Requires a separate adapter plate compatible with your lathe's spindle nose.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes External \u0026amp; Internal Jaws:\u003c\/strong\u003e Comes with both external jaws (3–72mm) and internal jaws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key Included:\u003c\/strong\u003e Robust T-handle key. Remove before operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping Range (External)\u003c\/td\u003e\n\u003ctd\u003e3 – 72mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2\u003c\/td\u003e\n\u003ctd\u003e84mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3\u003c\/td\u003e\n\u003ctd\u003e22mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Length (H)\u003c\/td\u003e\n\u003ctd\u003e74.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1\u003c\/td\u003e\n\u003ctd\u003e55mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaw Step Height (h)\u003c\/td\u003e\n\u003ctd\u003e3.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Thread (z-d)\u003c\/td\u003e\n\u003ctd\u003e3× M8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e3.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eNumbered jaws (1, 2, 3) match the chuck body slots for quick, accurate installation. Prevents misalignment and ensures optimal concentricity.\u003c\/p\u003e\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLathe:\u003c\/strong\u003e General turning, facing, drilling, boring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilling Machine:\u003c\/strong\u003e Workpiece holding for milling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilling Machine:\u003c\/strong\u003e Precision drilling setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Machine:\u003c\/strong\u003e Light CNC turning and production\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eSuitable for \u003cstrong\u003esmall benchtop lathes\u003c\/strong\u003e. \u003cbr\u003e\u003cstrong\u003eSizing Rule:\u003c\/strong\u003e Lathe swing diameter \u0026gt; Chuck diameter (100mm). Allow clearance for jaw extension. A swing of ≥130mm is ideal.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eRegularly clean the scroll mechanism and apply \u003cstrong\u003eMolybdenum Disulfide (MoS2) grease\u003c\/strong\u003e to the scroll teeth and bevel gears. Store in a dry environment.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46970115883193,"sku":"K12100","price":93.88,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K12.png?v=1776470922"},{"product_id":"top-tool-professional-4-jaw-self-centering-lathe-chuck-80mm-3-inch-cast-iron-construction-2-63mm-clamping-range-with-internal-external-jaws-and-t-key-副本","title":"TOP-TOOL Professional 4-Jaw Self-Centering Lathe Chuck, 80mm\/3-inch, Cast Iron Construction, 2-63mm Clamping Range with Internal External Jaws and T-Key（副本）","description":"\u003ch2\u003eProfessional 80mm \/ 3-Inch 4-Jaw Self-Centering Lathe Chuck\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL Professional 80mm 3-Jaw Self-Centering Lathe Chuck is precision-engineered for mini lathes and small workshops. Built with a \u003cstrong\u003eHT300 Cast Iron body\u003c\/strong\u003e and \u003cstrong\u003eAISI 5140 alloy steel scroll\u003c\/strong\u003e, it delivers superior rigidity, vibration damping, and long-term accuracy for hobbyists and machinists alike.\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52-58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43-48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45-50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eHT100 \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHT300 Cast Iron Body:\u003c\/strong\u003e Higher-grade grey cast iron compared to standard HT200, providing superior rigidity and vibration damping for smoother cuts and better surface finishes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 alloy steel scroll plate (HRC 43-48) and bevel gears (HRC 45-50) ensure smooth, precise jaw movement and long service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52-58):\u003c\/strong\u003e AISI 1045 carbon steel jaws are through-hardened for maximum grip strength and wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Every chuck is tested with standard test bars at 4 different diameters. Repeatability ≤0.05mm (0.002\") guaranteed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e 3× M6 mounting holes. \u003cem\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Requires a separate adapter plate matched to your lathe spindle. Please verify your spindle type before ordering.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes External \u0026amp; Internal Jaws:\u003c\/strong\u003e Supplied with both external jaws (2–55mm) and internal jaws for hollow workpiece gripping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key Included:\u003c\/strong\u003e Heavy-duty T-handle key. \u003cem\u003eSafety: Always remove the key before starting the lathe.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e80mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping Range (External)\u003c\/td\u003e\n\u003ctd\u003e2 – 55mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2\u003c\/td\u003e\n\u003ctd\u003e66mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3\u003c\/td\u003e\n\u003ctd\u003e16mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Length (H)\u003c\/td\u003e\n\u003ctd\u003e66mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaw Step Height (h)\u003c\/td\u003e\n\u003ctd\u003e3.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Thread (z-d)\u003c\/td\u003e\n\u003ctd\u003e3× M6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e1.7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eEach jaw and the chuck body are marked with matching numbers (1, 2, 3). Simply align the numbered jaw with the corresponding slot on the chuck body to prevent misalignment and ensure accurate concentricity.\u003c\/p\u003e\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cp\u003eThis chuck is compatible with multiple machine tools:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLathe:\u003c\/strong\u003e General turning, facing, drilling, and boring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilling Machine:\u003c\/strong\u003e Workpiece holding for milling operations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilling Machine:\u003c\/strong\u003e Precision drilling setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Machine:\u003c\/strong\u003e Light CNC turning and production work\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eThis 80mm chuck is ideal for \u003cstrong\u003emini lathes and benchtop lathes\u003c\/strong\u003e. \u003cbr\u003e\u003cstrong\u003eRule of Thumb:\u003c\/strong\u003e Choose a chuck where your lathe's \u003cem\u003eswing diameter is larger than the chuck's outer diameter\u003c\/em\u003e. Allow extra clearance for jaw overhang when gripping large workpieces. For an 80mm chuck, a lathe swing of ≥100mm is recommended.\u003c\/p\u003e\n\u003ch3\u003eMaintenance \u0026amp; Care\u003c\/h3\u003e\n\u003cp\u003eTo ensure longevity and smooth operation:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eClean chips and debris from the scroll and jaw slides regularly.\u003c\/li\u003e\n\u003cli\u003eLubricate the scroll plate and bevel gears with \u003cstrong\u003eMolybdenum Disulfide (MoS2) grease\u003c\/strong\u003e every few months. Avoid heavy oils that attract dust.\u003c\/li\u003e\n\u003cli\u003eStore in a dry environment to prevent rust on the precision-ground jaws.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46970222117049,"sku":"K1280","price":93.88,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K12.png?v=1776470922"},{"product_id":"top-tool-professional-4-jaw-self-centering-lathe-chuck-125mm-5-inch-cast-iron-construction-2-80mm-clamping-range-with-internal-external-jaws-and-t-key-副本","title":"TOP-TOOL Professional 4-Jaw Self-Centering Lathe Chuck, 125mm\/5-inch, Cast Iron Construction, 2-80mm Clamping Range with Internal External Jaws and T-Key（副本）","description":"\u003ch2\u003eProfessional 125mm \/ 5-Inch 4-Jaw Self-Centering Lathe Chuck\u003c\/h2\u003e\n\u003cp\u003eThe TOP-TOOL Professional 125mm (5-inch) chuck bridges the gap between hobby and light-industrial turning. \u003cstrong\u003eHT300 Cast Iron\u003c\/strong\u003e construction with \u003cstrong\u003eAISI 5140 alloy steel scroll\u003c\/strong\u003e handles medium-duty cuts with precision and stability.\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52-58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43-48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45-50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eHT100 \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHT300 Cast Iron Body:\u003c\/strong\u003e Superior rigidity and vibration damping for medium lathes. Reduces chatter during heavy facing and turning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 alloy steel scroll (HRC 43-48) and bevel gears (HRC 45-50) for smooth, precise operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52-58):\u003c\/strong\u003e AISI 1045 carbon steel jaws through-hardened for maximum grip strength.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Every chuck tested with 4 different diameter test bars. Repeatability ≤0.05mm (0.002\").\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e 3× M8 mounting pattern. \u003cem\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Requires an adapter plate matched to your lathe spindle.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes External \u0026amp; Internal Jaws:\u003c\/strong\u003e Supplied with both external jaws (5–95mm) and internal jaws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key Included:\u003c\/strong\u003e Secure tightening. Remove before running.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e125mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping Range (External)\u003c\/td\u003e\n\u003ctd\u003e5 – 95mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2\u003c\/td\u003e\n\u003ctd\u003e108mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Length (H)\u003c\/td\u003e\n\u003ctd\u003e78mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1\u003c\/td\u003e\n\u003ctd\u003e55mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaw Step Height (h)\u003c\/td\u003e\n\u003ctd\u003e3.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Thread (z-d)\u003c\/td\u003e\n\u003ctd\u003e3× M8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e4.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eNumbered jaws (1, 2, 3) match the chuck body slots for quick, accurate installation. Prevents misalignment and ensures optimal concentricity.\u003c\/p\u003e\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLathe:\u003c\/strong\u003e General turning, facing, drilling, boring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilling Machine:\u003c\/strong\u003e Workpiece holding for milling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilling Machine:\u003c\/strong\u003e Precision drilling setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Machine:\u003c\/strong\u003e Light CNC turning and production\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eDesigned for \u003cstrong\u003emedium benchtop lathes\u003c\/strong\u003e. \u003cbr\u003e\u003cstrong\u003eSizing Rule:\u003c\/strong\u003e Lathe swing diameter \u0026gt; Chuck diameter (125mm). For safe operation with jaw overhang, a swing of ≥160mm is recommended.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eKeep the scroll clean. Lubricate with \u003cstrong\u003eMolybdenum Disulfide (MoS2) grease\u003c\/strong\u003e periodically. Store in a dry environment.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46970224738489,"sku":"K12125","price":106.12,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K12.png?v=1776470922"},{"product_id":"top-tool-professional-4-jaw-self-centering-lathe-chuck-160mm-6-inch-cast-iron-construction-2-80mm-clamping-range-with-internal-external-jaws-and-t-key-副本","title":"TOP-TOOL Professional 4-Jaw Self-Centering Lathe Chuck, 160mm\/6-inch, Cast Iron Construction, 2-80mm Clamping Range with Internal External Jaws and T-Key（副本）","description":"\u003ch2\u003eProfessional 160mm \/ 6-Inch 4-Jaw Self-Centering Lathe Chuck\u003c\/h2\u003e\n\u003cp\u003eBuilt for \u003cstrong\u003emedium to large metal lathes\u003c\/strong\u003e, the TOP-TOOL 160mm chuck delivers heavy-duty gripping power and precision. \u003cstrong\u003eHT300 Cast Iron\u003c\/strong\u003e construction with \u003cstrong\u003eAISI 5140 alloy steel scroll\u003c\/strong\u003e ensures stability during demanding turning operations.\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52-58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43-48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45-50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eHT100 \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron:\u003c\/strong\u003e Superior mass and damping for large workpieces and heavy cuts. Minimizes chatter and improves finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 alloy steel scroll (HRC 43-48) and bevel gears (HRC 45-50) for smooth, precise operation under heavy loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52-58):\u003c\/strong\u003e AISI 1045 carbon steel jaws through-hardened for maximum grip strength and wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Every chuck tested with 4 different diameter test bars. Repeatability ≤0.05mm (0.002\").\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e 3× M8 mounting holes. \u003cem\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Adapter plate required for spindle connection. Not included.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes External \u0026amp; Internal Jaws:\u003c\/strong\u003e Comes with both external jaws (8–130mm) and internal jaws for hollow parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Key Included:\u003c\/strong\u003e Heavy-duty key for secure locking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e160mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping Range (External)\u003c\/td\u003e\n\u003ctd\u003e8 – 130mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2\u003c\/td\u003e\n\u003ctd\u003e142mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3\u003c\/td\u003e\n\u003ctd\u003e45mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Length (H)\u003c\/td\u003e\n\u003ctd\u003e95mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1\u003c\/td\u003e\n\u003ctd\u003e65mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaw Step Height (h)\u003c\/td\u003e\n\u003ctd\u003e5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Thread (z-d)\u003c\/td\u003e\n\u003ctd\u003e3× M8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e8.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eNumbered jaws (1, 2, 3) match the chuck body slots for quick, accurate installation. Prevents misalignment and ensures optimal concentricity.\u003c\/p\u003e\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLathe:\u003c\/strong\u003e Heavy-duty turning, facing, drilling, boring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilling Machine:\u003c\/strong\u003e Workpiece holding for milling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilling Machine:\u003c\/strong\u003e Precision drilling setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Machine:\u003c\/strong\u003e CNC turning and production work\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eIdeal for \u003cstrong\u003emedium-large lathes\u003c\/strong\u003e (10\"+ swing). \u003cbr\u003e\u003cstrong\u003eSizing Rule:\u003c\/strong\u003e Lathe swing diameter must exceed chuck diameter (160mm). Allow clearance for jaw extension. A swing of ≥200mm is recommended for full capacity usage.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean regularly. Apply \u003cstrong\u003eMolybdenum Disulfide (MoS2) grease\u003c\/strong\u003e to the scroll and bevel gears to ensure smooth operation and extend service life.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46970228342969,"sku":"K12160","price":151.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K12.png?v=1776470922"},{"product_id":"top-tool-professional-3-jaw-self-centering-lathe-chuck-200mm-8-inch-clamping-range-4-200-mm-0-16-7-87-in-solid-one-piece-jaws-outside-jaws-mounted-inside-jaw-set-t-key-plain-back-副本","title":"TOP-TOOL Professional 4-Jaw Self-Centering Lathe Chuck, 200mm \/ 8-Inch, Clamping Range 4–200 mm (0.16–7.87 in), Solid One-Piece Jaws, Outside Jaws Mounted + Inside Jaw Set, T-Key, Plain Back（副本）","description":"\u003ch2\u003eProfessional 200mm \/ 8-Inch 4-Jaw Self-Centering Lathe Chuck (Solid One-Piece Jaws)\u003c\/h2\u003e\n\u003cp\u003eBuilt for \u003cstrong\u003emetal lathes, wood lathes, drill presses, milling machines, CNC machining centers, grinders\u003c\/strong\u003e, and other equipment that needs \u003cstrong\u003eself-centering workholding\u003c\/strong\u003e. The TOP-TOOL 200 mm chuck delivers rigid gripping when mounted with the correct \u003cstrong\u003eadapter plate or fixture\u003c\/strong\u003e. \u003cstrong\u003eHT300 cast iron\u003c\/strong\u003e body, \u003cstrong\u003eAISI 5140\u003c\/strong\u003e scroll and bevel gears, \u003cstrong\u003eAISI 1045\u003c\/strong\u003e jaws. \u003cstrong\u003eOverall clamping envelope 4–200 mm (0.16–7.87 in)\u003c\/strong\u003e across the three modes below.\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eAluminum \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 4–85 mm gripping on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 65–200 mm internal gripping (boring-style holding).\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 65–200 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e4–200 mm (0.16–7.87 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron:\u003c\/strong\u003e High mass and damping for large workpieces and heavy cuts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 scroll (HRC 43–48) and bevel gears (HRC 45–50).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58):\u003c\/strong\u003e AISI 1045 for grip and wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Checked with \u003cstrong\u003efour different test bars\u003c\/strong\u003e as part of our acceptance process. Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e \u003cstrong\u003eD1 = 165 mm\u003c\/strong\u003e locating register, recess depth \u003cstrong\u003eh = 5 mm\u003c\/strong\u003e; \u003cstrong\u003eD2 = 180 mm\u003c\/strong\u003e bolt circle; \u003cstrong\u003e3× M10\u003c\/strong\u003e mounting holes. Machine your adapter to match \u003cstrong\u003eD1\/D2\u003c\/strong\u003e. \u003cem\u003eAdapter plate not included.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid One-Piece Jaws:\u003c\/strong\u003e Outside jaws are \u003cstrong\u003epre-mounted\u003c\/strong\u003e on the chuck. A \u003cstrong\u003eseparate inside (reverse) solid jaw set\u003c\/strong\u003e is included in the box (not a duplicate of the mounted set).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003eone-piece solid jaws\u003c\/strong\u003e. For chucks with \u003cstrong\u003etwo-piece master and top jaws\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions per factory charts \u003cstrong\u003eDimensions.webp\u003c\/strong\u003e \/ \u003cstrong\u003eDimensions-2.webp\u003c\/strong\u003e; clamping per \u003cstrong\u003eclamping-range\u003c\/strong\u003e chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e200 mm (7.87 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (register \/ locating recess diameter)\u003c\/td\u003e\n\u003ctd\u003e165 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (depth of D1 register recess)\u003c\/td\u003e\n\u003ctd\u003e5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e180 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole diameter)\u003c\/td\u003e\n\u003ctd\u003e65 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (total thickness: body + jaws)\u003c\/td\u003e\n\u003ctd\u003e109 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness only, excluding jaw height)\u003c\/td\u003e\n\u003ctd\u003e75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH2\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside jaws, standard OD)\u003c\/td\u003e\n\u003ctd\u003e4 – 85 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (inside expand, same outside jaws)\u003c\/td\u003e\n\u003ctd\u003e65 – 200 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside with reverse jaws)\u003c\/td\u003e\n\u003ctd\u003e65 – 200 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall span (reference)\u003c\/td\u003e\n\u003ctd\u003e4 – 200 mm (0.16 – 7.87 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e3× M10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05 mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e15.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eJaws and body are numbered (1, 2, 3) so each jaw matches its slide—faster setup and better concentricity.\u003c\/p\u003e\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal lathe:\u003c\/strong\u003e Turning, facing, drilling, boring (with correct adapter).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWood lathe:\u003c\/strong\u003e Where spindle and safety requirements allow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilling machine \/ machining center:\u003c\/strong\u003e On suitable arbors or fixtures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilling machine:\u003c\/strong\u003e Concentric holding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC:\u003c\/strong\u003e Production use where applicable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrinder:\u003c\/strong\u003e When speed-rated and safely mounted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eMachine \u003cstrong\u003eswing or envelope\u003c\/strong\u003e must clear the chuck body and fully opened jaws. Plan a comfortable margin above nominal diameter \u003cstrong\u003eD\u003c\/strong\u003e. Your adapter must match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern listed above.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean regularly. Apply \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e to the scroll and bevel gears.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Observe safe speeds for chuck size and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46970232930489,"sku":null,"price":173.5,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K12.png?v=1776470922"},{"product_id":"top-tool-professional-4-jaw-self-centering-lathe-chuck-250mm-10-inch-clamping-range-6-250-mm-0-24-9-84-in-solid-one-piece-jaws-outside-jaws-mounted-inside-jaw-set-t-key-plain-back-副本","title":"TOP-TOOL Professional 4-Jaw Self-Centering Lathe Chuck, 250mm \/ 10-Inch, Clamping Range 6–250 mm (0.24–9.84 in), Solid One-Piece Jaws, Outside Jaws Mounted + Inside Jaw Set, T-Key, Plain Back（副本）","description":"\u003ch2\u003eProfessional 250mm \/ 10-Inch 4-Jaw Self-Centering Lathe Chuck (Solid One-Piece Jaws)\u003c\/h2\u003e\n\u003cp\u003eBuilt for \u003cstrong\u003emetal lathes, wood lathes, drill presses, milling machines, CNC machining centers, grinders\u003c\/strong\u003e, and other equipment that needs \u003cstrong\u003eself-centering workholding\u003c\/strong\u003e. The TOP-TOOL 250 mm chuck delivers rigid gripping when mounted with the correct \u003cstrong\u003eadapter plate or fixture\u003c\/strong\u003e. \u003cstrong\u003eHT300 cast iron\u003c\/strong\u003e body, \u003cstrong\u003eAISI 5140\u003c\/strong\u003e scroll and bevel gears, \u003cstrong\u003eAISI 1045\u003c\/strong\u003e jaws. \u003cstrong\u003eOverall clamping envelope 6–250 mm (0.24–9.84 in)\u003c\/strong\u003e across the three modes below.\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eAluminum \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 6–110 mm gripping on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 80–250 mm internal gripping (boring-style holding).\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 90–250 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e6–250 mm (0.24–9.84 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron:\u003c\/strong\u003e High mass and damping for large workpieces and heavy cuts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 scroll (HRC 43–48) and bevel gears (HRC 45–50).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58):\u003c\/strong\u003e AISI 1045 for grip and wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Checked with \u003cstrong\u003efour different test bars\u003c\/strong\u003e as part of our acceptance process. Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e \u003cstrong\u003eD1 = 206 mm\u003c\/strong\u003e locating register, recess depth \u003cstrong\u003eh = 5 mm\u003c\/strong\u003e; \u003cstrong\u003eD2 = 226 mm\u003c\/strong\u003e bolt circle; \u003cstrong\u003e3× M12\u003c\/strong\u003e mounting holes. Machine your adapter to match \u003cstrong\u003eD1\/D2\u003c\/strong\u003e. \u003cem\u003eAdapter plate not included.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid One-Piece Jaws:\u003c\/strong\u003e Outside jaws are \u003cstrong\u003epre-mounted\u003c\/strong\u003e on the chuck. A \u003cstrong\u003eseparate inside (reverse) solid jaw set\u003c\/strong\u003e is included in the box (not a duplicate of the mounted set).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003eone-piece solid jaws\u003c\/strong\u003e. For chucks with \u003cstrong\u003etwo-piece master and top jaws\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions per factory charts \u003cstrong\u003eDimensions.webp\u003c\/strong\u003e \/ \u003cstrong\u003eDimensions-2.webp\u003c\/strong\u003e; clamping per \u003cstrong\u003eclamping-range\u003c\/strong\u003e chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e250 mm (9.84 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (register \/ locating recess diameter)\u003c\/td\u003e\n\u003ctd\u003e206 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (depth of D1 register recess)\u003c\/td\u003e\n\u003ctd\u003e5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e226 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole diameter)\u003c\/td\u003e\n\u003ctd\u003e80 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (total thickness: body + jaws)\u003c\/td\u003e\n\u003ctd\u003e120 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness only, excluding jaw height)\u003c\/td\u003e\n\u003ctd\u003e80 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH2\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside jaws, standard OD)\u003c\/td\u003e\n\u003ctd\u003e6 – 110 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (inside expand, same outside jaws)\u003c\/td\u003e\n\u003ctd\u003e80 – 250 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside with reverse jaws)\u003c\/td\u003e\n\u003ctd\u003e90 – 250 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall span (reference)\u003c\/td\u003e\n\u003ctd\u003e6 – 250 mm (0.24 – 9.84 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e3× M12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05 mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e25.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eJaws and body are numbered (1, 2, 3) so each jaw matches its slide—faster setup and better concentricity.\u003c\/p\u003e\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal lathe:\u003c\/strong\u003e Turning, facing, drilling, boring (with correct adapter).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWood lathe:\u003c\/strong\u003e Where spindle and safety requirements allow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilling machine \/ machining center:\u003c\/strong\u003e On suitable arbors or fixtures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilling machine:\u003c\/strong\u003e Concentric holding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC:\u003c\/strong\u003e Production use where applicable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrinder:\u003c\/strong\u003e When speed-rated and safely mounted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eMachine \u003cstrong\u003eswing or envelope\u003c\/strong\u003e must clear the chuck body and fully opened jaws. Plan a comfortable margin above nominal diameter \u003cstrong\u003eD\u003c\/strong\u003e. Your adapter must match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern listed above.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean regularly. Apply \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e to the scroll and bevel gears.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Observe safe speeds for chuck size and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46970234372281,"sku":null,"price":277.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K12.png?v=1776470922"},{"product_id":"top-tool-professional-4-jaw-self-centering-lathe-chuck-320mm-12-inch-clamping-range-11-5-320-mm-0-45-12-60-in-solid-one-piece-jaws-outside-jaws-mounted-inside-jaw-set-t-key-plain-back-副本","title":"TOP-TOOL Professional 4-Jaw Self-Centering Lathe Chuck, 320mm \/ 12-Inch, Clamping Range 11.5–320 mm (0.45–12.60 in), Solid One-Piece Jaws, Outside Jaws Mounted + Inside Jaw Set, T-Key, Plain Back（副本）","description":"\u003ch2\u003eProfessional 320mm \/ 12-Inch 4-Jaw Self-Centering Lathe Chuck (Solid One-Piece Jaws)\u003c\/h2\u003e\n\u003cp\u003eBuilt for \u003cstrong\u003emetal lathes, wood lathes, drill presses, milling machines, CNC machining centers, grinders\u003c\/strong\u003e, and other equipment that needs \u003cstrong\u003eself-centering workholding\u003c\/strong\u003e. The TOP-TOOL 320 mm chuck delivers rigid gripping when mounted with the correct \u003cstrong\u003eadapter plate or fixture\u003c\/strong\u003e. \u003cstrong\u003eHT300 cast iron\u003c\/strong\u003e body, \u003cstrong\u003eAISI 5140\u003c\/strong\u003e scroll and bevel gears, \u003cstrong\u003eAISI 1045\u003c\/strong\u003e jaws. \u003cstrong\u003eOverall clamping envelope 11.5–320 mm (0.45–12.60 in)\u003c\/strong\u003e across the three modes below.\u003c\/p\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Hardening\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eHardness (HRC)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eHT300 Cast Iron\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaws\u003c\/td\u003e\n\u003ctd\u003eAISI 1045 Carbon Steel\u003c\/td\u003e\n\u003ctd\u003e52–58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScroll Plate\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e43–48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBevel Gears\u003c\/td\u003e\n\u003ctd\u003eAISI 5140 Alloy Steel\u003c\/td\u003e\n\u003ctd\u003e45–50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Plate\u003c\/td\u003e\n\u003ctd\u003eAluminum \/ Engineered Plastic\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eClamping ranges\u003c\/h3\u003e\n\u003cp\u003eOutside clamping with solid outside jaws (standard setup): 11.5–145 mm gripping on the outside diameter.\u003c\/p\u003e\n\u003cp\u003eInside support \/ expanding with the same outside jaws: 95–320 mm internal gripping (boring-style holding).\u003c\/p\u003e\n\u003cp\u003eOutside clamping with solid inside (reverse) jaws: 110–320 mm for large-diameter OD work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e overall envelope \u003cstrong\u003e11.5–320 mm (0.45–12.60 in)\u003c\/strong\u003e depending on jaw configuration.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty HT300 Cast Iron:\u003c\/strong\u003e High mass and damping for large workpieces and heavy cuts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Scroll \u0026amp; Gears:\u003c\/strong\u003e AISI 5140 scroll (HRC 43–48) and bevel gears (HRC 45–50).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Jaws (HRC 52–58):\u003c\/strong\u003e AISI 1045 for grip and wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Precision:\u003c\/strong\u003e Checked with \u003cstrong\u003efour different test bars\u003c\/strong\u003e as part of our acceptance process. Repeatability \u003cstrong\u003e≤0.05 mm (0.002\")\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain Back Mount:\u003c\/strong\u003e \u003cstrong\u003eD1 = 265 mm\u003c\/strong\u003e locating register, recess depth \u003cstrong\u003eh = 7.5 mm\u003c\/strong\u003e; \u003cstrong\u003eD2 = 290 mm\u003c\/strong\u003e bolt circle; \u003cstrong\u003e3× M16\u003c\/strong\u003e mounting holes. Machine your adapter to match \u003cstrong\u003eD1\/D2\u003c\/strong\u003e. \u003cem\u003eAdapter plate not included.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid One-Piece Jaws:\u003c\/strong\u003e Outside jaws are \u003cstrong\u003epre-mounted\u003c\/strong\u003e on the chuck. A \u003cstrong\u003eseparate inside (reverse) solid jaw set\u003c\/strong\u003e is included in the box (not a duplicate of the mounted set).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eT-Key Included.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eJaw type\u003c\/h3\u003e\n\u003cp\u003eThis listing uses \u003cstrong\u003eone-piece solid jaws\u003c\/strong\u003e. For chucks with \u003cstrong\u003etwo-piece master and top jaws\u003c\/strong\u003e, see our other listings.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eDimensions per factory charts \u003cstrong\u003eDimensions.webp\u003c\/strong\u003e \/ \u003cstrong\u003eDimensions-2.webp\u003c\/strong\u003e; clamping per \u003cstrong\u003eclamping-range\u003c\/strong\u003e chart.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck Diameter (D)\u003c\/td\u003e\n\u003ctd\u003e320 mm (12.60 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD1 (register \/ locating recess diameter)\u003c\/td\u003e\n\u003ctd\u003e265 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh (depth of D1 register recess)\u003c\/td\u003e\n\u003ctd\u003e7.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2 (bolt circle diameter)\u003c\/td\u003e\n\u003ctd\u003e290 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD3 (through hole diameter)\u003c\/td\u003e\n\u003ctd\u003e100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH (total thickness: body + jaws)\u003c\/td\u003e\n\u003ctd\u003e155 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH1 (body thickness only, excluding jaw height)\u003c\/td\u003e\n\u003ctd\u003e90 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH2\u003c\/td\u003e\n\u003ctd\u003e96 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside jaws, standard OD)\u003c\/td\u003e\n\u003ctd\u003e11.5 – 145 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (inside expand, same outside jaws)\u003c\/td\u003e\n\u003ctd\u003e95 – 320 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping (outside with reverse jaws)\u003c\/td\u003e\n\u003ctd\u003e110 – 320 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall span (reference)\u003c\/td\u003e\n\u003ctd\u003e11.5 – 320 mm (0.45 – 12.60 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e3× M16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤0.05 mm (0.002\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e40.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eError-Free Jaw Installation\u003c\/h3\u003e\n\u003cp\u003eJaws and body are numbered (1, 2, 3) so each jaw matches its slide—faster setup and better concentricity.\u003c\/p\u003e\n\u003ch3\u003eVersatile Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal lathe:\u003c\/strong\u003e Turning, facing, drilling, boring (with correct adapter).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWood lathe:\u003c\/strong\u003e Where spindle and safety requirements allow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilling machine \/ machining center:\u003c\/strong\u003e On suitable arbors or fixtures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilling machine:\u003c\/strong\u003e Concentric holding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC:\u003c\/strong\u003e Production use where applicable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrinder:\u003c\/strong\u003e When speed-rated and safely mounted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003eMachine \u003cstrong\u003eswing or envelope\u003c\/strong\u003e must clear the chuck body and fully opened jaws. Plan a comfortable margin above nominal diameter \u003cstrong\u003eD\u003c\/strong\u003e. Your adapter must match \u003cstrong\u003eD1\u003c\/strong\u003e, \u003cstrong\u003eD2\u003c\/strong\u003e, and the bolt pattern listed above.\u003c\/p\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eClean regularly. Apply \u003cstrong\u003emolybdenum disulfide (MoS\u003csub\u003e2\u003c\/sub\u003e) grease\u003c\/strong\u003e to the scroll and bevel gears.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eNever run with the chuck key engaged. Observe safe speeds for chuck size and workpiece balance.\u003c\/p\u003e","brand":"TOP-TOOL","offers":[{"title":"Default Title","offer_id":46970239320249,"sku":null,"price":700.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/K11_5a1a65a2-8160-4b8c-910c-34a6a8a6275c.png?v=1776036995"},{"product_id":"top-tool-professional-3-jaw-self-centering-lathe-chuck-160mm-6-inch-cast-iron-construction-2-80mm-clamping-range-with-internal-external-jaws-and-t-key-副本","title":"CHANFOR SK-06 6 in 3 Jaw Lathe Chuck, JIS Standard Self-Centering Manual Scroll Chuck, Front Mounting Bolt Design, \u003c=0.03 mm Repeatability,2000 RPM for CNC Lathe \u0026 4th Axis","description":"\u003col class=\"text-size-chat list-decimal mt-1.5 mb-3 pl-8\" start=\"1\"\u003e\n\u003cli class=\"text-size-chat mb-1.5\"\u003eJIS-COMPLIANT PRECISION: Premium 3 jaw lathe chuck with tested repeatability \u0026lt;=0.03 mm (0.0012 in), built for stable concentric clamping and better part consistency.\u003c\/li\u003e\n\u003cli class=\"text-size-chat mb-1.5\"\u003eSELF-CENTERING SCROLL DESIGN: Manual scroll chuck structure delivers fast setup and even gripping force, reducing runout issues in turning and secondary operations.\u003c\/li\u003e\n\u003cli class=\"text-size-chat mb-1.5\"\u003eFRONT-MOUNT BOLT SYSTEM: Includes front mounting bolts and T-key for clean installation on adapter\/backplate systems; easy to align and service in daily use.\u003c\/li\u003e\n\u003cli class=\"text-size-chat mb-1.5\"\u003ePREMIUM MATERIALS \u0026amp; FINISH: Hardened steel body and jaws with refined machining quality for longer service life, improved wear resistance, and a cleaner professional look.\u003c\/li\u003e\n\u003cli class=\"text-size-chat mb-1.5\"\u003eWIDE MACHINE COMPATIBILITY: Designed for CNC lathes, machining center 4th axis setups, and conventional turning\/grinding\/drilling fixture workflows.\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/Aplus_SK06_V4_01_Hero_1464x600_3eb39ee4-1fb8-4bb0-a7df-88a2b396e440.png?v=1776734294\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/Aplus_SK06_V4_02_Precision_1464x600_81381287-62ac-464a-80ef-e02f05ebf7df.png?v=1776734294\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/Aplus_SK06_V4_03_SizeAndMount_1464x600_934ac8f6-efc5-469f-898e-26907b19097e.png?v=1776734294\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/Aplus_SK06_V4_04_QuickSetup_1464x600_8c11f476-82e5-4bec-9794-3254c2337675.png?v=1776734293\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/Aplus_SK06_V4_05_PartsOverview_1464x600_89d107d9-ab97-4cb6-88b4-9922a40048b9.png?v=1776734294\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/Aplus_SK06_V4_06_Applications_1464x600_bd456159-8651-40cf-9a6f-d0283e8c0cc1.png?v=1776734294\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/Aplus_SK06_V4_07_Comparison_1464x600_f531c5c7-66fd-4d1c-ba98-0c051bc381ce.png?v=1776734293\" alt=\"\"\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"CHANFOR","offers":[{"title":"Default Title","offer_id":46983369294009,"sku":"46-QVF3-2VEI","price":680.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/files\/chanfor_SK_06.png?v=1776734748"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9542\/0857\/collections\/banner.png?v=1776547913","url":"https:\/\/toptool.ca\/collections\/manual-chuck.oembed?page=2","provider":"TOP-TOOL","version":"1.0","type":"link"}