Irwin 10220 Unibit Fractional Hole Enlarging Step Drill Bit #20 Utility Pump Parts & Access Dimensions: 46

Dimensions: 46

shaping and removing metal that is softer than the cutting edge of the chisel

Specially formulated microencapsulated polymers form a chemical bond to protect paint

food and beverage lines

Irwin 10220 Unibit Fractional Hole Enlarging Step Drill Bit #20 Utility Pump Parts & Access Dimensions: 46"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