Seco Turning Insert, DNMU Insert, 110404 Insert, Diamond Shape, 3.75 mm Maximum Depth of Cut, 9.53 mm Inscribed Circle, 4.76 mm Thickness, 11 Seat, Negative/Positive Rake, M3 Chipbreaker, 0.4 mm Corner Radius, 3.81 mm Diameter Hole, Manufacturer's Grade: TP2501, ANSI Code: DNMU331-M3 TP2501, ISO Code: DNMU110404-M3 TP2501, 55 deg Included Angle, 0 deg Relief Angle, Neutral Cutting Direction, Carbide, CVD-TiCN+Al2O3 Coated, Material Grade: P, For Use On: Steel