Seco Milling Insert, OFER Insert, 070405 Insert, Octagon, 17.9 mm Inscribed Circle, 4.76 mm Thickness, 17.9 mm Length, ME15 Chipbreaker, Manufacturer's Grade: F40M, ANSI Code: OFER070405TN-ME15 F40M, Neutral Hand, Carbide, PVD-TiAlN+TiN Coated, Material Grade: C5, Cast Iron, Non-Ferrous Metals, Plastics and Tough-to-Machine Materials Material Application