Hougen 14244 1-3/8" Hougen Sheet Metal Holcutter copperhead-pilot Kit includes cutters of size

Kit includes cutters of size 6 mm

Makes large diameter holes efficiently without the mess of chips

Tapered inner diameter provides a relief area between the slug & cutter to reduce horsepower & improve slug ejection

For extended tool life and lower cost per hole 12

RotaCut's are far superior to twist drills and hole saws

Hougen 14244 1-3/8" Hougen Sheet Metal Holcutter copperhead-pilot Kit includes cutters of sizeHolcutters are not hole saws. They're precision ground, heat treated tools that easily cut thru the stock rather than ripping, tearing, and pushing thru as do typical hole saws. They can produce holes three times faster and cleaner than hole saws in sheet metal and have dramatically extended tool life, too. All sizes have a "shoulder" to prevent plunge thru, which is especially useful when drilling into live electrical boxes. See for yourself why