Sandvik Coromant Turning Insert, Basic Shape, Series: CoroTurn TR, TR-DC Insert, 1304 Insert, Rhombic, 0.118 in Maximum Depth of Cut, 0.433 in Inscribed Circle, 0.2175 in Thickness, 13 Seat, Positive Rake, F Chipbreaker, 0.0156 in Corner Radius, 0.1456 in Hole Dia, Manufacturers Grade: 4325, ANSI Code: TR-DC1304-F 4325, ISO Code: TR-DC1304-F 4325, 55 deg Included Angle, Neutral Cutting, Carbide, TiCN/Al2O3/TiN, Material Grade: K, P, For Use On: Cast Iron and Steel