Groz Drill Chuck Arbor Mt2 3Jt Chippers 05mm Kit Includes: 14mm x Punches tip diamerer 3 05mm Kit Includes: 14mm x 25mm 16mm x 25mm 18mm x 25mm 20mm x 25mm 22mm x 25mm 14mm x 50mm 16mm x 50mm 18mm x 50mm 20mm x 50mm 22mm x 50mm Pilot Pins To Suit Description: M2AL HIGH SPEED STEEL MATERIAL M2AL High Speed Steel is a high alloy material with a hardness of up to 67 48PC EXTENSION SPRING ASSORTMENT GROZ DRILL CHUCK ARBOR MT2 3JT Morse Taper 2 Jacobs Taper 3 Drill Chuck Arbors are used to mount a drill chuck or any other tool which has a female taper shank onto a machine such as a drilling machine which has a female taper shank socket in its workhead 0004 (10 microns) and accurately gauged self locking tapers ensure close tolerance fit