Irwin 10220 Unibit Fractional Hole Enlarging Step Drill Bit #20 In Stock Then with the tripod fixture

Then with the tripod fixture you snap the head of the screw off

Fingertip grips on middle

Generates outstanding reflectivity and is metal flecked for longer life

All new cotton T-shirt material specially processed for extra absorbency

Irwin 10220 Unibit Fractional Hole Enlarging Step Drill Bit #20 In Stock Then with the tripod fixture"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