Insert grades CermetCoated carbide Summary of insert grades A Kyocera promotes research and development to help improve customers' productivity and profitability. Kyocera provides high-quality inserts in various grades including cermet, coated carbide, coated super micro grain carbide, carbide, ceramic, PCD and CBN. Turning Workpiece material Steel Stainless steel / Cast steel Cast iron Cutting range Finishing Roughing Finishing Roughing Finishing Roughing Classification P01 P10 P20 P30 P40 M01 M10 M20 M30 M40 K01 K10 K20 K30 TN610 TN610 TN620 TN620 TN series TN60 TN60 TN60 TN90 TN90 TC series TC60M TC60M CCX(CVD coated) CCX CCX PV series PV90 PV90 MEGACOAT PV7005 PV710 PV710 MEGACOAT NANO PV720 PV720 CA510 CA310 CA515 CA6515 CA315 CA025P CA6525 CA320 CA525 CA series CA530 CA4505 CA5505 CA4515 CA5515 CA5525 CA5535 PR930 PR930 PR1005 PR series PR1025 PR1025 MEGACOAT PR1225 PR1225 MEGACOAT NANO PR1535 PR1535 PR1705 MEGACOAT NANO PLUS PR1725 PR1725 KA30 KT66 A66N Ceramic PT600M KS6015 KS6050 CS7050 Carbide KW10 KBN475 CBN KBN60M KBN900 A2