This RNGN solid CBN insert,are mainly for roughing and finishing machining cast iron,HSS and carbide materials, like high Chrome cast iron rolls,HSS rolls,carbide rolls,slurry pumps,crusher parts and so on. We developed different CBN grades upon customers different use.which could insure the good surface finish and long cutting life.
The popular size are: RNGN090300,RNGN120400,RNGN120700,RNGN151000.