... materials including tungsten carbide, glass, ceramics, fiberglass, plastics, stone and abrasives. CBN wheels are used to grind high speed steels ... , tool & die steels, alloy steels, Aerospace alloys and hard stainless steels.Resin Bond wheels are the ... can be used for grinding high-speed steels, tool and die steels and super alloys with a hardness greater than HRC 50.We ...