drill bits & sets
hanson han3016013 . 20inch x 3 . 63inch cobalt high speed steel carded
5 % cobalt for higher heat and abrasion resistance heavy duty web construction for strength and durability 135 split point begins drilling immediately minimizing bit walk for tough metal drilling including heavy duty abrasive alloy metal drilling on hardened steel size 13 64 dimensions 6 25 l x 0 5 w x 0 25 h sku isn2500
hanson