BK250KL | 250 mm 3-Jaw Vertical Through-Hole Pneumatic Chuck
The TOP-TOOL BK250KL is a 250 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 | BK250KL |
|---|---|
| D | 250 |
| d | 80 |
| L | 340 |
| L1 | 20 |
| L2 | 28 |
| H | 173 |
| H1 | 127 |
| h | 19 |
| p | 30 |
| Power Wedge Serration | 1×53° |
| Matching Jaw Model | BK250Z1 |
| Jaw Stroke t (Diameter, mm) | 4.8 |
| Max. Clamping Force (kN) | 58.7 |
| Max. Expanding Force (kN) | 32.5 |
| Allowable Pressure (MPa) | 0.4–0.8 |
| Clamping Range (mm) | 10–260 |
| Expanding Range (mm) | 30–280 |
| Net Weight (kg) | 40 |
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.