Pramet Turning Insert, WNMG Insert, 432 Insert, Trigon, 0.197 in Maximum Depth of Cut, 1/2 in Inscribed Circle, 3/16 in Thickness, 8 Seat, Negative Rake, RM Chipbreaker, 1/32 in Corner Radius, 0.203 in Hole Dia, Manufacturers Grade: T9310, ANSI Code: WNMG 432-RM T9310, ISO Code: WNMG 080408E-RM T9310, 80 deg Included Angle, 0 deg Relief Angle, Carbide, Material Grade: H, K, P, For Use On: Hardened Steel, Cast Iron and Steel