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

Its sealed bearings

Includes chain and hookfor twin-tailpipes up to 2"

5" x 15" x 24"

110mm3/8" driveMetric8mm x 110mm

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"