... , Cr3C2, VC, TaC, NbC, BC4, etc GradeCompositionGrain Size(um)Density(g/cm3)HardnessISO3738(HRA)TRS(N/mm2)ApplicationWC ... materials .It is usually made into twist drill,end mill,tap,generic tools etcJGK1488120.514.192.53800Suitable for ... .33800Ultrafine tungsten carbide powder sintered into a grain size of cemented carbide at 0.5um applying to ... and other accessaries . Tungsten finished short carbide rod