Pramet Turning Insert, CNMG Insert, 542 Insert, Diamond, 7 mm Maximum Depth of Cut, 15.875 mm Inscribed Circle, 6.35 mm Thickness, 16.1 mm Length, 16 Seat, Negative Rake, R Chipbreaker, 0.8 mm Corner Radius, 6.35 mm Hole Dia, Manufacturers Grade: T5315, ANSI Code: CNMG 542-R:T5315, ISO Code: CNMG 160608E-R:T5315, 80 deg Included Angle, 0 deg Relief Angle, Carbide, Material Grade: H, M, P, For Use On: Hardened Steel, Stainless Steel and Steel