Seco Milling Insert, OFMR Insert, 070405 Insert, Octagon, 18 mm Inscribed Circle, 4.76 mm Thickness, 18 mm Length, M15 Chipbreaker, Manufacturer's Grade: MK1500, ANSI Code: OFMR070405TR-M15 MK1500, Right Hand, Carbide, CVD-TiCN+Al2O3 Coated, Cast Iron, Non-Ferrous Metals, Plastics and Tough-to-Machine Materials Material Application