Irwin 1789225 Jobber Drill Bit, 5/16 in Dia, 2-13/16 in OAL, 5/16 in Dia Shank, Straight Shank

Bit is constructed of high-speed steel for excellent combination of strength, heat resistance and wear resistance; 135 deg split point reduces feed pressure and allows for easier penetration without work hardening. Can be used with screw extractors. Carded.