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Drill Bit Set

Irwin 30520 5 Piece Left Hand Cobalt 5/64-Inch to 19/64-Inch Cobalt Twist Drill

  • $24.47

IRWIN Tools 30520 Left Hand Cobalt Drill Bit Set is a selection of mechanics length drill bits ideal for creating pilot holes for screw extractors. The drill bits are made of 8% cobalt high speed steel for increased heat resistance in drilling tough materials like alloy steel, hardened steel, stainless steel, and cast iron. The 135-degree split point eliminates "walking" and reduces feed pressure for easier penetration. Contains sizes 5/64", 7/64", 5/32", 1/4" and 19/64".

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