Sandvik Coromant Milling Insert, Series: CoroMill® 331, R/L331.1A..H-WL Insert, 145063 Insert, Rectangle Shape, 0.453 in Inscribed Circle, 0.195 in Thickness, 0.453 in Width, 0.571 in Length, WL Chipbreaker, 1/4 in Corner Radius, Positive Rake, 90 deg Lead Angle, 0.1811 in Diameter Hole, Manufacturer's Grade: 1025, ANSI Code: L331.1A-14 50 63H-WL1025, ISO Code: L331.1A-14 50 63H-WL1025, Left Hand of Insert, Carbide, PVD-TiAlN+TiN Coated, Material Grade: M, P, S, Steel, Stainless Steel and Heat Resistant Super Alloys Material Application