Sandvik Coromant Drilling Insert, Series: Coromant® U, LCMX-53 Insert, 040308 Insert, Rectangle Shape, 1/4 in Inscribed Circle, 1/8 in Thickness, 53 Chipbreaker, 0.0314 in Corner Radius, 0.1102 in Diameter Hole, Manufacturer's Grade: 1020, ANSI Code: LCMX 04 03 08-53 1020, Right Hand of Insert, ISO Code: LCMX 04 03 08-53 1020, Asymmetrical Point, Medium Feed, For Use On: Cast Iron, Heat Resistant Materials, Hardened Materials, Steel, Stainless Steel and Super Alloys, Carbide, PVD-TiN Coated, Material Grade: H, K, M, P, S