Irwin 73831 Jobber Drill Bit 31/64 in Dia 5-7/8 in OAL Spiral Flute 2-Flute 31/64 in Dia Shank Reduced Shank

M-2 high-speed steel for strength, heat resistance and wear resistance in general drilling of wood, metal and plastic. The 3/8 in reduced shank fits all 3/8 in drills. Jobber length.