Pramet Turning Insert, VNMG Insert, 331 Insert, Diamond, 1.5 mm Maximum Depth of Cut, 9.525 mm Inscribed Circle, 4.76 mm Thickness, 16 Seat, Negative Rake, FF Chipbreaker, 0.4 mm Corner Radius, 3.81 mm Hole Dia, Manufacturers Grade: T8330, ANSI Code: VNMG 331-FF T8330, ISO Code: VNMG 160404E-FF T8330, 35 deg Included Angle, 0 deg Relief Angle, Carbide, Material Grade: H, K, M, N, P, S, For Use On: Hardened Steel, Cast Iron, Stainless Steel, Aluminum, Steel and Titanium/Super Alloys