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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.
1-5/16x22 Reduced Shank Cobalt Drill Bit K5307
Sale price
$14.90
Regular price $54.24
Shipping calculated at checkout.