3" Sheet Metal Holcutter Quad Lead 1/8" DOC 14284 C365-11 7cfm Air Inlet Size: 1/4"

7cfm Air Inlet Size: 1/4"

for strength & wear

t45 torx bit

Radius 10mm

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

3" Sheet Metal Holcutter Quad Lead 1/8" DOC 14284 C365-11 7cfm Air Inlet Size: 1/4"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