2-3/4" Sheet Metal Holcutter Quad Lead 1/8" DOC 14280 FAS19 Koken 4012A60 5/8 X 1/2

Koken 4012A60 5/8 X 1/2 Inhex Socket

Drive diameter (D) 22mm

Boehm 18mm Hollow Punch Cutter BOEHM HOLLOW / WAD PUNCHES BOEHM Hollow punches

Electronic control giving Soft-Start

2-3/4" Sheet Metal Holcutter Quad Lead 1/8" DOC 14280 FAS19 Koken 4012A60 5/8 X 1/2The Holcutters, 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