Irwin 73630ZR Jobber Drill Bit 15/32 in Dia 5-3/4 in OAL Spiral Flute 15/32 in Dia Shank Reduced Shank

High-speed steel 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 3-flatted shank on 3/16 in and above for better chuck grip. Jobber length.