Yamaloy: TPMR 160304-PG Inset Gade QX520 TPMR Turning Inserts 60 Triangular Insert Insert Grade QX520 (ISO P10-P35 M10-M30 K10-K30) Coated. An excellent general purpose grade for medium roughing on Steels, Stainless and Cast Irons. Chip Bre…View more