Black Oxide High-speed Steel Drill Bit, Jobber Length, 9/32 In.

Irwin, 9/32" Heavy Duty Black Oxide Coated High Speed Steel Jobber Length Drill Bits. 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 degree split point ensures a true start and eliminates bit walking.