Yamaloy: CCMT 060204-PM Insert Grade QX5030 CCMT Turning Inserts 80 Rhombic Insert Insert Grade QX5030 (ISO P20-P40 M20-M30) CVD Coated. - Medium / rough turning and intermediate cutting of steel / stainless steel. Combination of toughest substrate and alumina coating (MT-TiCN + TiC + AL2O3 + TiN) having superior chipping resistance provide wide coverage. Chip Breaker: PM. Application: Med Cut. Grades: QX500 (ISO P10-P25) Cermet. For high speed finishing and light roughing. Will maintain a high class surface finish. Mainly used on steels and can be applied to finishing 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. QX5030 (ISO P20-P40 M20-M30) CVD Coated. - Medium / rough turning and intermediate cutting of steel / stainless steel. Combination of toughest substrate and alumina coating (MT-TiCN + TiC + AL2O3 + TiN) having superior chipping resistance