Seco, 03062805, Turning, Insert, Series: DNMU, DNMU Insert, Diamond Shape, 9.525 mm Inscribed Circle, 4.76 mm Thickness, 0.4567 in Length, Negative Rake, 1.2 mm Corner Radius, 3.81 mm Diameter Hole, Manufacturer's Grade: TK1501, ISO Code: DNMU110412-M3, 55 deg Included Angle, Neutral Cutting Direction, Carbide, Ti(C/N)/Al2O3/Cr