Sandvik Coromant Turning Insert, Series: CoroTurn 111, CPMT Insert, 3(2.5)2 Insert, Diamond, 4 mm Maximum Depth of Cut, 3/8 in Inscribed Circle, 0.1562 in Thickness, 09 Seat, Positive Rake, UM Chipbreaker, 0.031 in Corner Radius, 0.1732 in Hole Dia, Manufacturers Grade: 4315, ANSI Code: CPMT 3(2.5)2-UM 4315, ISO Code: CPMT 09 T3 08-UM 4315, 80 deg Included Angle, 11 deg Relief Angle, Neutral Cutting, Carbide, TiCN/Al2O3/TiN, Material Grade: K, P, For Use On: Cast Iron and Steel