BK320KL | 320 mm 3-Jaw Vertical Through-Hole Pneumatic Chuck

The TOP-TOOL BK320KL is a 320 mm 3-jaw vertical through-hole pneumatic chuck for fixed or vertical mounting applications requiring a through-hole structure.

This air-operated chuck is suitable for setups where the chuck remains fixed and the workpiece requires rear clearance through the chuck body.

Key Features

  • Air-operated clamping for repeatable loading and unloading cycles.
  • Through-hole or semi-through-hole structure for workpiece clearance.
  • Multiple chuck sizes available for different workpiece ranges.
  • Technical parameters are provided for model selection.

Typical Applications

  • Pneumatic workholding setups
  • Repeat loading and unloading operations
  • Machining applications requiring air-operated clamping
  • Model selection based on chuck size, gripping range and installation method

Selection Notes

  • Confirm the workpiece dimensions and required gripping range.
  • Check whether a solid, semi-through-hole or through-hole structure is required.
  • Review the allowable air pressure, jaw stroke, clamping force and maximum speed.
  • Send the machine information and workpiece drawing for technical review before ordering.

Technical Specifications

Model BK320KL
D 325
d 120
L 415
L1 20
L2 28
H 243
H1 182
h 22
p 32
Power Wedge Serration 1.5×60°
Matching Jaw Model BK320Z2-60
Jaw Stroke t (Diameter, mm) 9.5
Max. Clamping Force (kN) 106.1
Max. Expanding Force (kN) 62.2
Allowable Pressure (MPa) 0.4–0.8
Clamping Range (mm) 10–350
Expanding Range (mm) 40–360
Net Weight (kg) 86

Request a Quote

This product is supplied by quotation. Send your machine model, workpiece drawing, required clamping method and quantity so that the configuration can be reviewed before ordering.

Made with care

Heirloom quality

Premium materials

Classic styling

Request a Quote

Contact Technical Support

Pricing and configuration depend on the required chuck size, mounting interface, and application. Submit your requirements and our team will review the details before providing a quotation.

Styled With

BK320KL | 320 mm 3-Jaw Vertical Through-Hole Pneumatic Chuck product image

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