Hougen 14222 11/16" Hougen Sheet Metal Holcutter 12000 Series Pilots and mechanics prefer the quality

and mechanics prefer the quality and speed of a Holcutter over hole saws

extra pilot and 8 mm

The Hougen split point quickly starts the hole and the double angled flutes increase penetration speed

Cutting Diameter: 15/16"

Hougen® RotaLoc Annular Cutters are ideally designed for HMD115

Hougen 14222 11/16" Hougen Sheet Metal Holcutter 12000 Series Pilots and mechanics prefer the qualityHolcutters 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