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 degree split point on all bits above 1/8"; jobber length.
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 degree split point on all bits above 1/8"; jobber length.