Sandvik Coromant Turning Insert, Series: T-Max® P, CNMG Insert, 642 Insert, Rhombic, 0.339 in Maximum Depth of Cut, 3/4 in Inscribed Circle, 1/4 in Thickness, 19 Seat, Negative Rake, PM Chipbreaker, 0.031 in Corner Radius, 0.312 in Hole Dia, Manufacturer's Grade: 4315, ANSI Code: CNMG 642-PM 4315, ISO Code: CNMG 19 06 08-PM 4315, 80 deg Included Angle, 0 deg Relief Angle, Neutral Cutting, Carbide, CVD-TiCN+Al2O3+TiN Coated, Material Grade: K, P, For Use On: Cast Iron and Steel