Pramet Turning Insert, CCMT Insert, 21.52 Insert, Diamond, 2 mm Maximum Depth of Cut, 6.35 mm Inscribed Circle, 2.38 mm Thickness, 6.4 mm Length, 6 Seat, Positive Rake, FM Chipbreaker, 0.8 mm Corner Radius, 2.9 mm Hole Dia, Manufacturers Grade: T9325, ANSI Code: CCMT 21.52-FM:T9325, ISO Code: CCMT 060208E-FM:T9325, 80 deg Included Angle, 7 deg Relief Angle, Carbide, Material Grade: K, M, P, S, For Use On: Cast Iron, Stainless Steel, Steel and Titanium/Super Alloys