Made from M-2 high speed steel. Hardened to Rc 60/62 with black oxide finish. Serrated for positive holding in tough applications. Thru-hole tap. Flat on O.D. for set screw mounting.
Diameter Overall: 3/8 in.
Height Overall: 3/8 in.
Height to Center of Flat: 11/64 in.
Height Flats: 3/16 in.
Thread Internal - Tap: #10-32