Pramet Turning Insert, TNMG Insert, 332 Insert, Triangular, 5.3 mm Maximum Depth of Cut, 9.525 mm Inscribed Circle, 3/16 in Thickness, 16.5 mm Length, 16 Seat, Negative Rake, M Chipbreaker, 0.8 mm Corner Radius, 3.81 mm Hole Dia, Manufacturers Grade: T5305, ANSI Code: TNMG 332-M T5305, ISO Code: TNMG 160408E-M T5305, 60 deg Included Angle, 0 deg Relief Angle, Carbide, Material Grade: H, K, P, For Use On: Hardened Steel, Cast Iron and Steel