Seco, 03273899, Turning, Insert, Series: CNMG, CNMG Insert, Diamond Shape, 12.7 mm Inscribed Circle, 4.76 mm Thickness, 12.49 mm Length, Negative Rake, MF4 Chipbreaker, 0.4 mm Corner Radius, 5.15 mm Diameter Hole, Manufacturer's Grade: TM1501, ISO Code: CNMG120404, 80 deg Included Angle, 30 deg Relief Angle, Neutral Cutting Direction, Carbide, TiCN/Al2O3