Pramet Turning Insert, DNMG Insert, 331 Insert, Diamond, 0.059 in Maximum Depth of Cut, 3/8 in Inscribed Circle, 3/16 in Thickness, 0.457 in Length, 11 Seat, Negative Rake, FF Chipbreaker, 1/64 in Corner Radius, 0.15 in Hole Dia, Manufacturers Grade: T8315, ANSI Code: DNMG 331-FF T8315, ISO Code: DNMG 110404E-FF T8315, 55 deg Included Angle, 0 deg Relief Angle, Carbide, Material Grade: H, K, M, N, P, S, For Use On: Aluminum, Cast Iron, Hardened Steel, Stainless Steel, Steel and Titanium/Super Alloys