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

End diameter 22

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

t45 torx bit

Stroke x Spindle Centre Height: 32 x 12mm

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