Sandvik Coromant Turning Insert, Basic Shape, Series: T-Max® P, TNMG Insert, 542 Insert, Triangular, 0.315 in Maximum Depth of Cut, 5/8 in Inscribed Circle, 1/4 in Thickness, 1.082 in Length, 27 Seat, Negative Rake, QM Chipbreaker, 0.0312 in Corner Radius, 1/4 in Hole Dia, Manufacturer's Grade: 4325, ANSI Code: TNMG 542-QM 4325, ISO Code: TNMG 27 06 08-QM 4325, 60 deg Included Angle, 0 deg Relief Angle, Neutral Cutting, Carbide, CVD-TiCN+Al2O3+TiN Coated, Material Grade: P, For Use On: Steel