Irwin 73632 Jobber Drill Bit, 1/2 in Dia, 6 in OAL, Spiral Flute, 1/2 in Dia Shank, Reduced Shank

Description

HSS features a black body and gold flute Turbomax tip for burr-free holes; 3/8 in reduced shank fits all 3/8 in drills. Exact centering; no walking on straight and curved surfaces. A three-flatted shank on 3/16 in and above for better chuck grip. Jobber length.