Re: DIY Case boring for large kits

That works well in drywall, but if you run a toothed cutting tool in reverse on metal even if it is softer metal it will dull your tool.

Re: DIY Case boring for large kits

Kevin Bishop /

Carbide sure but for HSS not if you keep it cool. I have been using the same dewalt hole saw for 15 years same protocol no problem. As long as you don’t bore hardiboard or adobe!

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