Keyless Type (Precision Ball Bearing) Drill Chucks (Bison Series 178) No. 12/J33 / 1/32 - 1/2" / 1 - 13mm Capacity / 33JT Mount
HEAVY DUTY * Keyless Drill Chucks are precision devices designed for high accuracy applications on either conventional or CNC machines in drilling, boring & counter-boring operations. * Tightened and released by hand. * Chucks have self-tightening feature.