Sandvik Coromant Milling Insert, Series: ModulMill T-Max, SPKN Insert, 1504 Insert, Squared, 1/2 in Inscribed Circle, 1/8 in Thickness, 1/2 in Width, 1/2 in Length, ED Chipbreaker, 0.0334 in Corner Radius, Positive Rake, 45 deg Lead Angle, Manufacturers Grade: 4240, ANSI Code: SMK 42E2 R 4240, ISO Code: SPKN 12 03 ED R 4240, Right Hand, Carbide, TiCN/Al2O3/TiN, Material Grade: K, M, P, Steel, Stainless Steel and Cast Iron Material Application