Pramet Turning Insert, TNMA Insert, 432 Insert, Triangular, 0.252 in Maximum Depth of Cut, 1/2 in Inscribed Circle, 3/16 in Thickness, 0.866 in Length, 22 Seat, Negative Rake, 1/32 in Corner Radius, 0.203 in Hole Dia, Manufacturers Grade: T5305, ANSI Code: TNMA 432 T5305, ISO Code: TNMA 220408 T5305, 60 deg Included Angle, 0 deg Relief Angle, Carbide, Material Grade: H, K, P, For Use On: Hardened Steel, Cast Iron and Steel