Seco Turning Insert, TNMG Insert, 220404 Insert, Triangular Shape, 5.25 mm Maximum Depth of Cut, 12.7 mm Inscribed Circle, 4.76 mm Thickness, 22 mm Length, 22 Seat, Negative/Positive Rake, MF2 Chipbreaker, 0.4 mm Corner Radius, 5.15 mm Diameter Hole, Manufacturers Grade: TP2501, ANSI Code: TNMG431-MF2 TP2501, ISO Code: TNMG220404-MF2 TP2501, 60 deg Included Angle, 0 deg Relief Angle, Neutral Cutting Direction, Carbide, TiCN/Al2O3, Material Grade: P, For Use On: Steel