Sandvik Coromant Milling Insert, Imperial, Series: CoroMill® 331, L331 Insert, 11 Insert, Rectangle Shape, 0.1968 in Thickness, 0.4527 in Width, M30 Chipbreaker, 0.12 in Corner Radius, 90 deg Lead Angle, Manufacturer's Grade: 4330, ANSI Code: L331.1A-115030E-M30 4330, ISO Code: L331.1A-115030E-M30 4330, Left Hand of Insert, Carbide, CVD-TiCN+Al2O3+TiN Coated, Cast Iron and Steel Material Application