Yamaloy: DCGT 070204-AL Insert Grade K10 DCGT Turning Inserts 55 Rhombic Insert Insert Grade K10 (ISO K10) Uncoated. Used in combination with a high rake geometry for machining Aluminiums, Plastics and other soft Non-Ferrous materials. Chip Breaker: AL. Application: Med Cut (Alum). Grades: QX500 (ISO P10-P25) Cerment. For high speed finishing and light cutting. Will remain a high class surface finish. Mainly used on steels and can be applied to finish some Stainless steels and Cast Irons. QX5020 (ISO P10-P35 M10-M30 K10-K30) CVD Coated. An excellent general purpose grade for medium roughing on Steels, Stainless and Cast Irons. QX520 (ISO P10-P35 M10-M30 K10-K30) Coated. An excellent general purpose grade for medium roughing on Steels, Stainless and Cast Irons. QX530 (ISO P25-P35 M15-M25) Coated.- Turning grade for Steels, Cast Steels and Stainless Steels. A good general purpose Steel grade for roughing. K10 (ISO K10) Uncoated. Used in combination with a high rake geometry for