Sandvik Coromant Milling Insert, Series: CoroMill® 331, R/L331.1A..H-WL Insert, 54515 Insert, Rectangle Shape, 0.256 in Inscribed Circle, 0.175 in Thickness, 0.374 in Width, 0.256 in Length, WL Chipbreaker, 0.06 in Corner Radius, Positive Rake, 90 deg Lead Angle, 0.1141 in Diameter Hole, Manufacturer's Grade: 1025, ANSI Code: L331.1A-05 45 15H-WL1025, ISO Code: L331.1A-05 45 15H-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