Seco Milling Insert, Type Q, SNHQ Insert, 120404 Insert, Squared, 12.7 mm Inscribed Circle, 4.76 mm Thickness, 12.7 mm Width, 12.7 mm Length, E05 Chipbreaker, 0.4 mm Corner Radius, Manufacturer's Grade: H25, ANSI Code: SNHQ120404EL4-E05 H25, Left Hand, Carbide, PVD Coated, Cast Iron, Non-Ferrous Metals, Plastics and Tough-to-Machine Materials Material Application