Sandvik Coromant Turning Insert, Series: T-Max®, SPGN Insert, 422 Insert, Squared, 1/2 in Inscribed Circle, 1/8 in Thickness, 1/2 in Width, 1/2 in Length, 12 Seat, Positive Rake, 0.031 in Corner Radius, Manufacturer's Grade: H13A, ANSI Code: SPG 422 H13A, ISO Code: SPGN 120308 H13A, 90 deg Included Angle, 11 deg Relief Angle, Neutral Cutting, Carbide, Uncoated, Material Grade: K, M, N, P, S, For Use On: Cast Iron, Stainless Steel, Non-Ferrous Metals, Steel, Heat-Resistant Super Alloys and Titanium