Irwin 10220 Unibit20 9/16-Inch to 1-Inch 1/2-Inch Shank Hole Enlarging Step Drill Bit Plumbing Tools There is no difficult float

There is no difficult float reading to be observed and no temperature tables required

Includes chain and hookfor twin-tailpipes up to 2"

Manufacturer Part Number: 480472

Manufacturer Part Number: DE-706M

Sunex 9935 SAE Half Moon Wrench Set

Irwin 10220 Unibit20 9/16-Inch to 1-Inch 1/2-Inch Shank Hole Enlarging Step Drill Bit Plumbing Tools There is no difficult floatGet it all done with one when you choose Unibit stairstep bits. Single flute cutting edge provides precise depth control though all size steps. Shanks flat side surface ensures slip free chuck lock down. Blunt tip. hole enlarging bit may be used on stainless steel. copper. brass. aluminum. plastic. laminates and wood. Materials: Steel Drill Bit Range Min: 1 2quot; Drill Bit Range Max: 1quot. From the Manufacturer UNI BIT STEP DRILL #20 9 16 1" 8 SZ"