Sandvik Coromant Drilling Insert, Series: Coromant U, WCMX-58 Insert, 080412 Insert, Trigon, 1/2 in Inscribed Circle, 0.1874 in Thickness, 58 Chipbreaker, 0.0472 in Corner Radius, 0.1692 in Hole Dia, Manufacturers Grade: 3040, 80 deg Included Angle, ANSI Code: WCMX 08 04 12-58 3040, Right Hand, ISO Code: WCMX 08 04 12-58 3040, Asymmetrical Point, Medium Feed, For Use On: Steel and Stainless Steel, Carbide, TiCN/Al2O3, Material Grade: M, P