1" Sheet Metal Holcutter Quad Lead 1/8" Doc 14232 2641240 3mm 2 Flute Carbide Endmill

3mm 2 Flute Carbide Endmill 8x57 6mm Shank 201310 3

Running time of 2 hours high

caterpillar

Valve core removal tool included in the cap of the bottle

1" Sheet Metal Holcutter Quad Lead 1/8" Doc 14232 2641240 3mm 2 Flute Carbide EndmillThe 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