Drill Bit Set includes 17 pieces, 1/16 - 3/8 in. 3-Flat shank, M35 steel with 5% polyvinyl butyral cobalt. Extra thick drill core adds further rigidity and strength.
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Drill Bit Set includes 21 pieces, 1/16 - 3/8 in . All sizes 3/16 in and larger have 3 flats on the shank so that the drill chuck gets a better grip on the drill bit.
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The Milwaukee? RED HELIX? 29-piece cobalt drill bit set is engineered for extreme durability and longer life in hard metal applications. The Milwaukee? cobalt drill bits are designed with a VARIABLE HELIX? that includes an aggressive 35 deg helix angle which ends at 15 deg. The drill bits have QUADEDGE TIP? to decrease heat build up and drill faster. The 135 deg split point tip delivers a precision start and prevents walking for fast, accurate holes in hard metal, PVC and wood. The tapered drill bits feature a new ENHANCED TAPERED WEB? that strengthens the bit's core to increase flute durability. The cobalt twist drill bits are ideal for tough applications, providing up to 15X life vs. black oxide Drill Bits?. This set includes 29 bits from 1/16 to 1/2 in.
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