Sandvik Coromant Turning Insert, Series: T-Max P, CNMG Insert, 543 Insert, Rhombic, 0.315 in Maximum Depth of Cut, 5/8 in Inscribed Circle, 1/4 in Thickness, 16 Seat, Negative Rake, PR Chipbreaker, 0.047 in Corner Radius, 1/4 in Hole Dia, Manufacturers Grade: 4325, ANSI Code: CNMG 543-PR 4325, ISO Code: CNMG 16 06 12-PR 4325, 80 deg Included Angle, 0 deg Relief Angle, Neutral Cutting, Carbide, TiCN/Al2O3/TiN, Material Grade: K, P, For Use On: Cast Iron and Steel