IRWIN 5/32 COBALT DRILL BIT

IRWIN 11/64 COBALT DRILL BIT CAR

IRWIN 3/16 COBALT DRILL BIT

IRWIN 7/32 COBALT DRILL BIT

IRWIN 9/32 COBALT DRILL BIT

IRWIN 5/16 COBALT DRILL BIT

IRWIN 3/8 COBALT DRILL BIT

IRWIN 1/2 COBALT DRILL BIT

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).