Irwin 10220 Unibit Fractional Hole Enlarging Step Drill Bit #20 In Stock Generates outstanding reflectivity and is

Generates outstanding reflectivity and is metal flecked for longer life

For heavy duty use

Features a prime quality zip that will protect its contents and a hang hole for easy display

5/8" to 11 spindle-wide flexibility for mounting most popular accessories

Irwin 10220 Unibit Fractional Hole Enlarging Step Drill Bit #20 In Stock Generates outstanding reflectivity and is"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