Pramet Turning Insert Pramet, DNMG Insert, 431 Insert, Diamond, 0.118 in Maximum Depth of Cut, 1/2 in Inscribed Circle, 3/16 in Thickness, 0.61 in Length, 15 Seat, Negative Rake, M Chipbreaker, 1/64 in Corner Radius, 0.203 in Hole Dia, Manufacturers Grade: T5315, ANSI Code: DNMG 431-M T5315, ISO Code: DNMG 150404E-M T5315, 55 deg Included Angle, 0 deg Relief Angle, Carbide, TiCN/Al2O3, Material Grade: H, K, M, P, For Use On: Cast Iron, Hardened Steel, Stainless Steel and Steel