2-1/4" Sheet Metal Holcutter Quad Lead 1/8" DOC 14268 SI5505 1/2 UNC Imperial 40 Piece

1/2 UNC Imperial 40 Piece Zinc Plated hex Bolt & Set Screw selection pack

Length : 1 Metre / 36"

Suitable for use on heavy duty & extra heavy duty

0 x 12 Metric Coarse x 50 Pieces Serrated Hex Flange Bolts & Nuts Zinc Plated

yellow metals and non-ferrous metals and can be applied to various materials in a low foam performance even in high flow delivery

2-1/4" Sheet Metal Holcutter Quad Lead 1/8" DOC 14268 SI5505 1/2 UNC Imperial 40 PieceThe 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 extend 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