Seco Duratomic® Turning Insert Kit, CNMG Insert, 432 Insert, Diamond, 1/2 in Inscribed Circle, 4.76 mm Thickness, 12.9 mm Length, 12 Seat, Negative Rake, M5 Chipbreaker, 0.8 mm Corner Radius, 5.2 mm Hole Dia, Manufacturer's Grade: TM1501, ANSI Code: CNMG432-M5, ISO Code: CNMG120408-M5, 80 deg Included Angle, 0 deg Relief Angle, Neutral Cutting, Carbide, CVD-TiCN/Al2O3 Coated, For Use On: Steel and Stainless Steel