Aircraft Extension 1/2 in. x 12 in. Black Oxide HHS Split Point Drill Bit

IRWIN 12" Aircraft Extension High Speed Steel Fractional Straight Shank Drill Bits are ideal for drilling in hard-to-reach areas and for running wires and cable. 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 degree split point ensures a true start and eliminates bit walking.