IRWIN Left-Hand Mechanic's Length Cobalt High Speed Steel Drill Bit Set, 5-Bits

IRWIN Left-Hand Mechanic's Length Cobalt High Speed Steel Drill Bit Set, 5-Bits
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Description

    • Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
    • Shorter cutting lips reduce torque for drilling in high tensile strength materials
    • 135-degree split point reduces feed pressure for easier penetration without work hardening
    • Ideal for use with screw extractors
    • Heavy duty spiral flute design produces faster chip ejection