5/8-1-3/4" EXPANSIVE BIT

Precision-ground shank allows this bit to be used in a drill press. Shank has 3 equally spaced flats for use in drill presses having 3-jaw chucks. Drop-forged 1-piece construction with wedge-type blade lock and medium slow screw pitch. No. 44801: 5/8" to 1-3/4" No. 45002: 7/8" to 3"Need Help with Part#s call 9am-4pm eastern time 716-689-6990