Hougen® 1/2" RotaCut™ Large Diameter Fractional Sheet Metal Cutter Kit (Contains Arbor, Center Punch, Extra Pilot And 6 Cutters, 7/8" - 1 1/2" in Plastic Tool Case)
Airgas Part #: HOU11078
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Hougen® 1/2" RotaCut™ Large Diameter Fractional Sheet Metal Cutter Kit (Contains Arbor, Center Punch, Extra Pilot And 6 Cutters, 7/8" - 1 1/2" in Plastic Tool Case)
RotaCut's are far superior to twist drills and hole saws. They cut 3x faster and last 10x longer, plus there's no comparison in quality. Use with hand held drills with a 3/8" or 1/2" chuck for holes in sheet metal, plate materials, and plastics up to 1/4" thick.