Irwin: 5/64" Black Oxide Bit, 67505

Bit is constructed of M-2 high speed steel for the best combination of strength, heat-resistance, and wear-resistance. For general use in wood, metal, and plastic. Black oxide coating resists corrosion. 135 deg. split point ensures a true start and eliminates bit walking. 3/8" reduced shank on bits 25/64" and larger.