Hougen 14252 1-5/8" Hougen Sheet Metal Holcutter Holcutter Kits DRILL-TWIST 7/16"DIA X 1/4"SHK

DRILL-TWIST 7/16"DIA X 1/4"SHK

and pushing thru as do typical hole saws

when mixed with water

Hougen Part #: 12124

Hougen 14252 1-5/8" Hougen Sheet Metal Holcutter Holcutter Kits DRILL-TWIST 7/16"DIA X 1/4"SHKHolcutters 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