NK series chucks are a pull back design with the added flexibility of being able to mount end stops inside the chuck body for easy conversion from bar to chucking applications. The collet is coupled directly to the draw tube connector. As the draw tube is actuated the collet is drawn into the tapered seat efficiently translating draw tube force into maximum clamping force.

CB-NK Features

  • Pull Back design maximizes the efficiency of the clamping system by concentrating all forces in the
  • more
Unit of Measure

Collet Model

SK42BZI

Max. Clamping Diameter

1.625 in42 mm

Min. Clamping Diameter

0.156 in4 mm

Through Capacity

1.420 in36 mm

Spindle Nose

140mm

Accuracy

.0004 in0.010 mm

Clamping Range

+/- .020 in+/- 0.5 mm

Linear Chuck Stroke

0.16 in4 mm

Max. Clamp Force

17,985 lbs80 kN

Max. Speed

6,000 rpm

Max. Draw Tube Thread

M60x2

Weight

16.7 lb7.6 kg

A Dimension

4.703 in119.46 mm

B Dimension

0.703 in17.86 mm

C Dimension

5.95 in151.13 mm

Item No.

15 042 163