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IRWIN 5-Piece Left Handed Assorted Cobalt Mechanics Length Twist Drill Bit Set

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Constructed of M-42 8° cobalt high speed steel for super abrasive resistance in tough metals
Heavy duty spiral flute design produces faster chip ejection
Shorter cutting lips reduce torque for drilling in high tensile strength materials

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This IRWIN 5-Piece Left-Hand Mechanics-Length Cobalt High-Speed Steel Drill Bit Set includes drill bits made of M-42 8% cobalt high-speed steel for super abrasive resistance in tough metals. The 135° split point reduces feed pressure for easier penetration without work hardening, and the heavy-duty spiral flute design produces fast chip ejection. The shorter drill bit length gives added strength and allows you to drill into fasteners without tightening them and often remove broken fasteners without an extractor.

Constructed of M-42 8° cobalt high speed steel for super abrasive resistance in tough metals
Heavy duty spiral flute design produces faster chip ejection
Shorter cutting lips reduce torque for drilling in high tensile strength materials
135° Split point reduces feed pressure for easier penetration without work hardening
Ideal for use with screw extractors
Includes drill bit sizes 5/64-in, 1/4-in, 19/64-in, 5/32-in, and 7/64-in