Drill America D/ACO Series Cobalt Drill Bit Set in Metal Case (13 - 115 Piece Set, 1/16"-1", A-Z, #1-#80, 1.00mm - 13.00mm), Split Point, Gold Finish, Spiral Flute

Price: $28.99
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Product Features

Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools Round shanks allow use with a wide variety of toolholding systems When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging Manufactured to National Aerospace standard 907

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