Insert attachments can be screw-on or no hole. Cutting tool inserts are commonly constructed of carbide, micrograin carbide, CBN, ceramic, cermet, cobalt, diamond PCD, high-speed steel, and silicon ...

But such is the case for tungsten carbide inserts, the flecks of material that form the business end of most of the tools used to shape metal. And thanks to one of the biggest suppliers of inserts ...