Irwin 67512 Jobber Drill Bit 3/16 in Dia 3-1/2 in OAL Spiral Flute 1-Flute 3/16 in Dia Shank Cylinder Shank

High-speed steel with black oxide treatment that reduces friction between bit and workpiece. Split point starts on contact in metal, wood and plastic; eliminates walking or skating when drilling into metal; 135 deg split point on all bits above 1/8 in ; jobber length.