Irwin 3016130 Jobber Drill Bit, 15/32 in Dia, 5-3/4 in OAL, Spiral Flute, 1-Flute, 15/32 in Dia Shank, Straight Shank

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High-speed steel with M-35, 5% cobalt, for higher heat and abrasion resistance; heavy-duty web construction for strength and durability. Split point begins drilling immediately, minimizing bit walk when used in applications such as metal drilling, including heavy-duty abrasive alloy metal drilling on hardened steel (heat-treated).