FEATURES:
Made of alloy forged steel for long, durable service life.
Hardened to RC 52-56 and ground to ensure maximum accuracy.
Morse Taper Seat T.I.R. < .0002".
Produced according to AT3 specifications.
Draw Bar Thread: 3/4"-10
Inside Taper: 2MT
Outside Taper: CAT45
Projection: 2-3/8"