Irwin 10221 Unibit21 13/16-Inch to 1-3/8-Inch 1/2-Inch Shank Hole Enlarging Step Drill Bit Hydraulics Tools Back-tapered to avoid damage from
Description
Back-tapered to avoid damage from over drilling
Advanced motor
die and draw stud required for operation | Replacement for punch unit model number 60054 | For use with hydraulic or battery powered drivers | Punch up to 10 gauge mild steel | Align accurately and produce burr-free holesAmazon
Micro flex Soprano SE gloves are sturdy
Industrial grade casters with double layer bearings offer greater stability
Irwin 10221 Unibit21 13/16-Inch to 1-3/8-Inch 1/2-Inch Shank Hole Enlarging Step Drill Bit Hydraulics Tools Back-tapered to avoid damage fromIdeal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates Single flute cutting edge for greater control through steps Patented single flute cutting edge gives the user a true round hole every time 3 faltted shank prevents slipping in drill chuck Pilot hole requiredAmazon. ca Product Description Manufacturer: IRWIN UNIBIT, UNIBIT 21 13 16" 1 3 8"STEP DRILL, Made in: United States, Dimensions:
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