CAT & BT Hydraulic Expansion Chucks
Easy to use, just turn adjusting
screw to apply hydraulic force.

Special groove in bore captures oil and coolant to improve grippng force.

H6 tolerance needed on small shank diameter cutting tools. H7 for diameters larger than 1/2". Does not apply if using sleeves

Techniks Quality Features

  • Repeatable, accuracy 0.0001"

  • Balance 15,000 RPM

  • Excellent vibration dampening

  • Rapid tool changes (no fixture required)

CAT40, CAT50 Hydraulic Expansion Chucks

Part No.
Description
d1
d2
d3
l1
l2
l3
l4
l5
24937
CAT 40 Hydro x 20mm
20mm
42mm
44.5mm
82mm
63mm
42mm
10mm
47mm
24954
CAT 40 Hydro x 3/4"
3/4"
42mm
44.5mm
82mm
63mm
42mm
10mm
47mm
17954
CAT 50 Hydro x 3/4"
3/4"
42mm
70mm
82mm
63mm
42mm
10mm
47mm
17955
CAT 50 Hydro x 1-1/4"
1-1/4"
60mm
70mm
91mm
72mm
52mm
10mm
56mm
17937
CAT 50 Hydro x 20mm
20mm
42mm
70mm
82mm
63mm
42mm
10mm
47mm