Sandvik Coromant Turning Insert, Series: T-Max P, DNMG Insert, 431 Insert, Rhombic, 0.059 in Maximum Depth of Cut, 1/2 in Inscribed Circle, 0.1874 in Thickness, 15 Seat, Negative Rake, PF Chipbreaker, 0.0156 in Corner Radius, 0.2029 in Hole Dia, Manufacturers Grade: 5015, ANSI Code: DNMG 431-PF 5015, ISO Code: DNMG 15 04 04-PF 5015, 55 deg Included Angle, 0 deg Relief Angle, Neutral Cutting, Carbide, Uncoated, Material Grade: K, P, For Use On: Cast Iron and Steel