1-1/16x22 Reduced Shank Cobalt Drill Bit, 1/2x22 Shank, Drill America, D/ACO1-1/16

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  • Detail

    D/ACO cobalt drill bits are made of heat resistant m42 cobalt. They are ground to a heavy-duty 135° split point. They are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys.

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