3" Sheet Metal Holcutter Quad Lead 1/8" DOC 14284 C365-11 Very good temperature resistance _

Very good temperature resistance _ ranging from -20 to +150 degrees C

Stroke x Spindle Centre Height: 32 x 12mm

25mm 30 Piece Zinc Plated hex Bolt selection pack

1/2 x 2 x 5 Pieces Serrated Hex Flange Bolts & Nuts Zinc Plated

3" Sheet Metal Holcutter Quad Lead 1/8" DOC 14284 C365-11 Very good temperature resistance _The 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