Pramet Turning Insert, DNMG Insert, 431 Insert, Diamond, 2.5 mm Maximum Depth of Cut, 12.7 mm Inscribed Circle, 4.76 mm Thickness, 15.5 mm Length, 15 Seat, Negative Rake, SF Chipbreaker, 0.4 mm Corner Radius, 5.16 mm Hole Dia, Manufacturers Grade: T6310, ANSI Code: DNMG 431-SF T6310, ISO Code: DNMG 150404E-SF T6310, 55 deg Included Angle, 0 deg Relief Angle, Carbide, AlTiSiN, Material Grade: H, K, M, N, P, S, For Use On: Aluminum, Cast Iron, Hardened Steel, Stainless Steel, Steel and Titanium/Super Alloys