Sandvik Coromant Milling Insert, Series: CoroMill® 390, R390-18..M-MM Insert, 180612 Insert, Rectangle Shape, 0.433 in Inscribed Circle, 0.249 in Thickness, 0.433 in Width, 0.726 in Length, MM Chipbreaker, 0.047 in Corner Radius, Positive Rake, 90 deg Lead Angle, 0.163 in Diameter Hole, Manufacturer's Grade: 2040, ANSI Code: R390-18 06 12M-MM 2040, ISO Code: R390-18 06 12M-MM 2040, Right Hand of Insert, Carbide, MTCVD-TiCN+Al2O3+TiN Coated, Material Grade: M, S, Stainless Steel and Heat Resistant Super Alloys Material Application