In the CB-ND series collet chuck, the collet is coupled to the chuck body and remains stationary as the tapered seat moves forward when the chuck is actuated. This design keeps the collet in a fixed Z axis position during clamping and does not create a pull back effect on the bar stock or workpiece.

CB-ND Features
  • Dead Length design produces no pull back on the workpiece
  • Low profile OD and short overall length provides increased tool clearance and maximum utilization of the machine's Z axis
  • Radial adjusting screws
  • Lubricated-for-life design requires minimal maintenance
  • All components hardened and precision ground for highest accuracy and long life
  • Stop plates and stop housings can be mounted inside the chuck body for chucking applications requiring end stops or part ejectors
  • Spindle speeds up to 6,000 rpm
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Model

Collet Model

Through Capacity

Clamping Range

Draw Tube Stroke

Max Draw Tube Force

Max. Clamp Force

Max Speed

Weight

Spindle Nose

N/A SK42BZI N/A 1.625 in42 mm N/A +/- .020 in+/- 0.5 mm N/A .160 in4 mm N/A 7,868 lbf3569.02 kgf N/A 17,985 lbf8157.76 kgf N/A 6,000 rpm N/A 24.7 lb11.2 kg N/A 140mm
N/A SK42BZI N/A 1.625 in42 mm N/A +/- .020 in+/- 0.5 mm N/A .160 in4 mm N/A 7,868 lbf3569.02 kgf N/A 17,985 lbf8157.76 kgf N/A 6,000 rpm N/A 25.8 lb11.7 kg N/A A2-5
N/A SK42BZI N/A 1.625 in42 mm N/A +/- .020 in+/- 0.5 mm N/A .160 in4 mm N/A 7,868 lbf3569.02 kgf N/A 17,985 lbf8157.76 kgf N/A 6,000 rpm N/A 25.8 lb11.7 kg N/A A2-6
N/A SK65BZI N/A 2.625 in66 mm N/A +/- .020 in+/- 0.5 mm N/A .160 in4 mm N/A 10,116 lbf4588.74 kgf N/A 23,605 lbf10707.06 kgf N/A 6,000 rpm N/A 33.7 lb15.3 kg N/A A2-5
N/A SK65BZI N/A 2.625 in66 mm N/A +/- .020 in+/- 0.5 mm N/A .160 in4 mm N/A 10,116 lbf4588.74 kgf N/A 23,605 lbf10707.06 kgf N/A 6,000 rpm N/A 35.5 lb16.1 kg N/A A2-6
N/A SK65BZI N/A 2.625 in66 mm N/A +/- .020 in+/- 0.5 mm N/A .160 in4 mm N/A 10,116 lbf4588.74 kgf N/A 23,605 lbf10707.06 kgf N/A 6,000 rpm N/A 42 lb19 kg N/A A2-8
N/A SK100BZI N/A 3.937 in100 mm N/A +/- .040 in+/- 1 mm N/A .275 in7 mm N/A 14,612 lbf6628.18 kgf N/A 33,721 lbf15295.8 kgf N/A 4,500 rpm N/A 47.9 lb21.8 kg N/A A2-8
N/A SK100BZI N/A 3.937 in100 mm N/A +/- .040 in+/- 1 mm N/A .275 in7 mm N/A 14,612 lbf6628.18 kgf N/A 33,721 lbf15295.8 kgf N/A 4,500 rpm N/A 47.9 lb21.8 kg N/A A2-11
N/A SK120BZI N/A 4.720 in120 mm N/A +/- .040 in+/- 1 mm N/A .275 in7 mm N/A 15,736 lbf7138.04 kgf N/A 35,969 lbf16315.52 kgf N/A 4,000 rpm N/A 72.6 lb33 kg N/A A2-11
N/A SK140BZI N/A 5.510 in140 mm N/A +/- .040 in+/- 1 mm N/A .275 in7 mm N/A 16,860 lbf7647.9 kgf N/A 38,218 lbf17335.24 kgf N/A 4,000 rpm N/A 89.1 lb40.5 kg N/A A2-11
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