drill bits & sets
irwin industrial 3016015 . 23 inch cobalt drill bit
features 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 size 23 in dimension 13 x 1 5 x 6 75 in item weight 4 lbs sku orgl12250
irwin industrial