Seco Turning Insert, TNMG Insert, 332 Insert, Triangle, 0.573 in Maximum Depth of Cut, 3/8 in Inscribed Circle, 4.76 mm Thickness, 16.53 mm Length, 16 Seat, Negative Rake, M3 Chipbreaker, 0.8 mm Corner Radius, 3.81 mm Hole Dia, Manufacturer's Grade: TP25, ANSI Code: TNMG332-M3, ISO Code: TNMG160408-M3, 60 deg Included Angle, 0 deg Relief Angle, Neutral Cutting, Carbide, CVD-TiCN/Al2O3 Coated, For Use On: Steel, Stainless Steel and Cast Iron