Pramet Turning Insert Pramet, CCMT Insert, 32.51 Insert, Diamond, 4 mm Maximum Depth of Cut, 9.525 mm Inscribed Circle, 3.97 mm Thickness, 9.7 mm Length, 9 Seat, Positive Rake, RM Chipbreaker, 0.4 mm Corner Radius, 4.5 mm Hole Dia, Manufacturers Grade: T5305, ANSI Code: CCMT 32.51-RM:T5305, ISO Code: CCMT 09T304E-RM:T5305, 80 deg Included Angle, 7 deg Relief Angle, Carbide, Al2O3, Material Grade: H, K, P, For Use On: Cast Iron, Hardened Steel and Steel