Seco Turning Insert, VNMG Insert, 160404 Insert, Diamond Shape, 3.75 mm Maximum Depth of Cut, 9.52 mm Inscribed Circle, 4.76 mm Thickness, 16 Seat, Negative/Positive Rake, MF2 Chipbreaker, 0.4 mm Corner Radius, 3.81 mm Diameter Hole, Manufacturers Grade: TP1501, ANSI Code: VNMG331-MF2 TP1501, ISO Code: VNMG160404-MF2 TP1501, 35 deg Included Angle, 0 deg Relief Angle, Neutral Cutting Direction, Carbide, TiCN/Al2O3, Material Grade: P, For Use On: Steel