Irwin 67516 Jobber Drill Bit 1/4 in Dia 4 in OAL Spiral Flute 1-Flute 1/4 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.