Irwin 10220 Unibit Fractional Hole Enlarging Step Drill Bit #20 FREEOVER35 Cuts up to 9

Cuts up to 9

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Irwin 10220 Unibit Fractional Hole Enlarging Step Drill Bit #20 FREEOVER35 Cuts up to 9"IRWIN" ENLARGING STEP DRILL BIT Drills 9 16" to 1" holes in 1 16" increments. Has 8 steps on bit. High speed steel bit. Single flute cutting edge for greater control through steps. Cutting edge provides a true round hole. Three flatted shank (1 2")prevents slipping in drill chuck. Ideal for drilling holes into thin materials such asstainless steel, copper, brass, aluminum, plastic and laminates. Pilot hole required. Carded. WARNING: Cancer and