Sandvik Coromant Turning Insert, 1-Sided Basic Shape, Series: CoroTurn 107, VBMT Insert, 331 Insert, Diamond, 2.7 mm Maximum Depth of Cut, 3/8 in Inscribed Circle, 0.187 in Thickness, 0.6537 in Length, 16 Seat, Positive Rake, PM Chipbreaker, 0.016 in Corner Radius, 0.1732 in Hole Dia, Manufacturers Grade: 4325, ANSI Code: VBMT 331-PM 4325, ISO Code: VBMT 16 04 04-PM 4325, 35 deg Included Angle, 5 deg Relief Angle, Neutral Cutting, Carbide, TiCN/Al2O3/TiN, Material Grade: K, P, For Use On: Cast Iron and Steel