Irwin 10220 Unibit20 9/16-Inch to 1-Inch 1/2-Inch Shank Hole Enlarging Step Drill Bit Plumbing Tools allowing for one handed operation

allowing for one handed operation

110mm3/8" driveMetric8mm x 110mm

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

and personal use

Includes chain and hookfor twin-tailpipes up to 2"

Irwin 10220 Unibit20 9/16-Inch to 1-Inch 1/2-Inch Shank Hole Enlarging Step Drill Bit Plumbing Tools allowing for one handed operationGet 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"