STM CAT50 4.00 ER20 Collet Chuck – 525440

STM CAT50 4.00″ ER20 Collet Chuck – 525440

• Shank Type: Taper Shank
• AD/B DIN Coolant – standard
• Factory Balanced to save spindle life, tool life and increase productivity
• Threaded through holes for a back-up screw (tool stop) or coolant through when removed
• TIR, 0.0002″ at 4xDiameter

Minimum Collet Capacity 0.019″ Maximum Collet Capacity 0.551″ Balanced to (RPM) 20000 at G2.5 Collet Nut Diameter 1.38″ Seat Depth 1.06″