PCBN cutting tools CCM&GW(7° clearance angle) type CNGA(0° clearance angle) type CNGN(0° clearance angle) type CPGW(11° clearance angle) type DCGW(7° clearance angle) type DNMA(0° clearance angle) type DPGW(11° clearance angle) type RCGW(7° clearance angle) type RPGW (7° clearance angle) type SCGW(7° clearance angle) type SNGA(0° clearance angle) type WNGA(0° clearance angle) hexagon SPGW(11° clearance angle) type TBGW(5° clearance angle) type TCGW(7° clearance angle) type TNGA(0° clearance angle) type TNGN(0° clearance angle) type TPGN(11° clearance angle) type TPGW (11° clearance angle) type VBMW(5° clearance angle) type VCM&GW(7° clearance angle) type VNMA(0° clearance angle) type VPGW(11° clearance angle) type WBGW(5° clearance angle) hexagon WCGW(7° clearance angle) hexagon SNGN(0° clearance angle) type