Irwin 3016015 15/64" x 3-7/8" Cobalt HSS Drill Bit (3 Pack)

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Pack of : 3
High speed steel with M-35, five percent 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)
Irwin 3016015 15/64" X 3-7/8" Cobalt Drill Bit