Step Bit | Greenlee The industry-standard Greenlee double flute design has been improved to deliver superior chip evacuation, cutting speeds and tool life. Durable split-point tip for fast, accurate material penetration., The patented progressive split-step design maximizes torque efficiency to minimize stalling and optimizes chip load for fast, smooth cutting, and more holes per charge. Irwin Step Bit Greenlee 34403C #3 XT Cobalt Step Bit, 3/16 Inch To 7/8 Inch Greenlee Step Drill Bit GSB09 s lve | lve | lve streamng | lve stream | lve vdeo... Patented split-step design optimizes chip load for fast, smooth cutting, and more holes per charge., Greenlee's GSB Series Step Bits are an entirely new line of patented step bits for effortless cutting and unmatched durability. Milwaukee MIL 48 89 9291 3 Piece Cobalt Step Drill Bit Set ( #1, #4, #9 Progressive cutting edges provide balanced aggression to maximize torque efficiency and minimize stalling.,
