Seco Milling Insert, SNUN Insert, 120412 Insert, Squared, 12.7 mm Inscribed Circle, 4.76 mm Thickness, 12.7 mm Width, 12.7 mm Length, 1.2 mm Corner Radius, Manufacturer's Grade: F40M, ANSI Code: SNUN120412 F40M, Neutral Hand, Carbide, PVD-TiAlN+TiN Coated, Cast Iron, Non-Ferrous Metals, Plastics and Tough-to-Machine Materials Material Application