Hougen 14005C Holcutter Kit Includes: Arbor, Pilots, Hex Washer, instructions, and HSS Holcutters: 7/8, 1-1/8, 1-3/8, 1-3/4, 2 & 2-1/2" Holecutter Arbor Titanium Nitride (TiN) is a

Titanium Nitride (TiN) is a multi-purpose coating which increases chip flow in softer materials

They can produce holes three times faster and cleaner than hole saws in sheet metal and have dramatically extended tool life

Spot weld Removal

76000PR Round/Oblong Punch & Dies

18 mm and 20 mm cutters

Hougen 14005C Holcutter Kit Includes: Arbor, Pilots, Hex Washer, instructions, and HSS Holcutters: 7/8, 1-1/8, 1-3/8, 1-3/4, 2 & 2-1/2" Holecutter Arbor Titanium Nitride (TiN) is aHolcutters 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