Yamaloy: TCMT 16T304-PM Insert Grade QX500 TCMT Turning Inserts 60 Triangular Insert Insert Grade 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. Chip Breaker: PM. Application: Med Cut. 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. QX520 (ISO P10-P35 M10-M30 K10-K30) Coated. An excellent general purpose grade for medium roughing on Steels, Stainless 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. Chip Breaker: PM. Application: Med Cut. MPN: 5036140041820 EAN: 5036140041820 TCMT 16T304-PM Insert Grade QX500 Attributes: Chipbreaker: PM Clearance Angle: 7° Corner