Sandvik Coromant Drilling Insert, Series: CoroDrill 881, 881..P-GM1 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, Manufacturers Grade: 4024, ANSI Code: 881-04 03 08M-P-GM1 4024, Right Hand of Insert, ISO Code: 881-04 03 08M-P-GM1 4024, Asymmetrical Point, Medium Feed, For Use On: Cast Iron, Hardened Materials, Steel and Stainless Steel, Carbide, MTCVD-TiCN+Al2O3 Coated, Material Grade: H, K, M, P