Irwin 10220 Unibit Fractional Hole Enlarging Step Drill Bit #20 In Stock It provides a tight seal

It provides a tight seal and gives a layer of waterproofing protection

Fingertip grips on middle

Link Handles® Fiberglass Single-Bit Axe Handle for 3 to 5 lb axes

For heavy duty use

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

Irwin 10220 Unibit Fractional Hole Enlarging Step Drill Bit #20 In Stock It provides a tight seal"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