Sandvik Coromant Turning Insert, 2-Sided Basic Shape, Series: T-Max P, RNMG Insert, 43 Insert, Round, 0.189 in Maximum Depth of Cut, 1/2 in Inscribed Circle, 0.187 in Thickness, 12 Seat, Negative Rake, NMG Chipbreaker, 1/4 in Corner Radius, 0.2029 in Hole Dia, Manufacturers Grade: 3210, ANSI Code: RNMG 43 3210, ISO Code: RNMG 12 04 00 3210, 0 deg Relief Angle, Neutral Cutting, Carbide, TiCN/Al2O3/TiN, Material Grade: K, For Use On: Cast Iron