drill bits & sets
irwin industrial tool 1 . 19inch x 17inch speedbor ship auger bit with weldtec 30430
ship auger bit made stronger and last longer because a harder cutting edge is welded to the base material two times the nail cutting life patent pending welded cutting edge aggressive screw pitch wide flutes 7 16 quick change impact shank fully forged body 13 16 diameter length 18 25 width 1 13 height 1 13 sku jnsn38126
irwin industrial