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Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
121 Pieces total
Size: 4R-5V900
40A12H - SB (1/2") Bore
Round Bore
1/16" - 1/4" 13 Piece Cobalt Quick Change Hex Shank Drill Bit Set H Style Bushing 121 Pieces total13 Piece Cobalt Quick Change Hex Shank Drill Bit Set Black & Gold Size: 1 16" 1 4" COHEX Quick Change Drill Bits are designed for use in hand held and impact drills. Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed. These drill bits have a 135 split point tip fast penetration and accurate drilling and a 1 4" Hex
