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Irwin AH30520 Left-Hand Mechanics Length Cobalt High Speed Steel Drill Bit Sets
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• Constructed of M-42 8 percent 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-degree split point reduces feed pressure for easier penetration without work hardening.
• Ideal for use with screw extractors.
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Product Features
- Set includes drill bit sizes 5/64", 7/64", 5/32", 1/4", and 19/64".
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