Do it Best Cobalt Drill Bit Set (15-Piece)
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Description
The Do it Best 15-Piece Cobalt Drill Bit Set delivers up to 9x the life over black oxide bits, making it ideal for drilling through hard metals like stainless steel, cast iron, and thick metal. Featuring a 135-degree tip for precise starts with no walking and a stronger core to resist breaking, this set is built for durability and precision in demanding applications. Includes (15) cobalt drill bits: (2) 1/16", 5/64", 3/32", 7/64", (2) 1/8", 9/64", 5/32", (2) 3/16", 7/32", 1/4", 5/16", and 3/8".
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