thats why you need a tungstion carbide cutting bit. i have two. one is designed for soft materals like wood plastic and soft metals and the other is for hard metals like cast iron, stainless steel, ceramics, hardened steel, ect.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.