... and Tin-Coated. We supply various models of Carbide Inserts(Tungsten Carbide Inserts):(1) Turning Insert: NUN, SPUN, SNMM, SPMR, TPUR, TNUN ... , TPGA, TNMG, TNMM, CCMT, CNMA, CNMM, CPGT, DNMA, DNMM, DNMG, DCMT, KOUX, KNUX, VNMA, VNMM, RNMN, WNMG, RCMM.(2) Milling Insert ... , LPEX, EPCN(3) Carbide Cutting Tools: Brazed tips and Indexable inserts. Carbide Inserts