1-9/16" Sheet Metal Holcutter Quad Lead 1/8" DOC 14250 2120100 Never have burnt or melted

Never have burnt or melted spark plug boots again

22NR4API 386 CP500 Internal Threading Insert

4160 primary side only

918TR12256

1-9/16" Sheet Metal Holcutter Quad Lead 1/8" DOC 14250 2120100 Never have burnt or meltedThe 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