Seco Milling Insert, OFEX Insert, 05T305 Insert, Octagon, 12.7 mm Inscribed Circle, 3.97 mm Thickness, 12.7 mm Length, M08 Chipbreaker, Manufacturer's Grade: MK1500, ANSI Code: OFEX05T305TN-M08 MK1500, Neutral Hand, Carbide, CVD-TiCN+Al2O3 Coated, Cast Iron, Non-Ferrous Metals, Plastics and Tough-to-Machine Materials Material Application