1-7/16" Sheet Metal Holcutter Quad Lead 1/8" Doc 14246 Flat WshrHD M12 6pt nut grip sockets -

6pt nut grip sockets - 10

Manufactured from quality alloy steel with black oxide finish for increased service life

Includes widths 12mm/1/2”

Wheel size 5/8" diameter x 5/16" width x 1/4" bore Spiral Knurl Wheels (Right & Left)

Grade 5 UNC HighTensile

1-7/16" Sheet Metal Holcutter Quad Lead 1/8" Doc 14246 Flat WshrHD M12 6pt nut grip sockets -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