Sandvik Coromant Milling Insert, Series: CoroMill 345, 345R/L..M-PM Insert, 1305 Insert, Squared, 0.512 in Inscribed Circle, 0.199 in Thickness, 0.512 in Width, 0.512 in Length, PM Chipbreaker, 0.031 in Corner Radius, 45 deg Lead Angle, 0.189 in Hole Dia, Manufacturers Grade: 4220, ANSI Code: 345R-1305M-PM 4220, ISO Code: 345R-1305M-PM 4220, Right Hand, Carbide, MTCVD-TiCN+Al2O3+TiN Coated, Material Grade: H, P, Hardened Materials and Steel Material Application