Sandvik Coromant Milling Insert, Series: CoroMill 490, 490R/L..M-MM Insert, 140420 Insert, Squared, 0.543 in Inscribed Circle, 0.154 in Thickness, 0.543 in Width, 0.543 in Length, MM Chipbreaker, 0.079 in Corner Radius, Positive Rake, 90 deg Lead Angle, 0.1614 in Hole Dia, Manufacturers Grade: 2040, ANSI Code: 490R-140420M-MM 2040, ISO Code: 490R-140420M-MM 2040, Right Hand, Carbide, TiCN/Al2O3/TiN, Material Grade: M, Stainless Steel Material Application