Seco Turning Insert, CNMG Insert, 120408 Insert, Diamond Shape, 5.25 mm Maximum Depth of Cut, 12.7 mm Inscribed Circle, 4.76 mm Thickness, 12 Seat, Negative/Positive Rake, M5 Chipbreaker, 0.8 mm Corner Radius, 5.15 mm Diameter Hole, Manufacturer's Grade: TP2501, ANSI Code: CNMG432-M5 TP2501, ISO Code: CNMG120408-M5 TP2501, 80 deg Included Angle, 0 deg Relief Angle, Neutral Cutting Direction, Carbide, CVD-TiCN+Al2O3 Coated, Material Grade: P, For Use On: Steel