Sandvik Coromant Milling Insert, Series: ModulMill T-Max, SPKN Insert, 1204 Insert, Squared, 1/2 in Inscribed Circle, 0.1874 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: 235, ANSI Code: SMK 43E2 R 235, ISO Code: SPKN 12 04 ED R 235, Right Hand, Carbide, TiCN/TiN, Material Grade: M, P, Stainless Steel and Steel Material Application