MT1 / 1MT / Morse Taper 1 / MK1. Arbor's Drawbar -M6 x 1. 3 JAW SELF CENTERING CHUCK. SET INCLUDES : 3 JAW 50mm CHUCK + MT-1 ARBOR . Chuck Dia.2" (50mm). Arbor's Shank -. The blades are made of carbon steel for long life and can be adjusted by loosening one nut while tightening the other.
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