Irwin 621 Heavy Duty Extended Length Aircraft Drill Bit, 5/16 In Dia X 12 In Oal, High Speed Steel

Product Features

• 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 deg split point ensures a true start and eliminates bit walking