Irwin 10220 Unibit Fractional Hole Enlarging Step Drill Bit #20 Table Hardware metal and fiberglass

metal and fiberglass

capacity with built in measure marks

surfaces develop resistance to sun and water damage

Includes ultra-strike door jam brace with (3) 3" screws

Irwin 10220 Unibit Fractional Hole Enlarging Step Drill Bit #20 Table Hardware metal and fiberglass"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