Sandvik Coromant Turning Insert, 1-Sided, Series: CoroTurn 107, VBGW Insert, 331 Insert, Rhombic, 0.032 in Maximum Depth of Cut, 3/8 in Inscribed Circle, 0.1874 in Thickness, 0.6537 in Length, 16 Seat, Positive Rake, 0.0156 in Corner Radius, 0.1732 in Hole Dia, Manufacturers Grade: 7525, ANSI Code: VBGW331T0320F 7525, ISO Code: VBGW160404T01020F 7525, 35 deg Included Angle, 7 deg Relief Angle, Neutral Cutting, Carbide, TiN, Material Grade: H, K, For Use On: Cast Iron and Hardened Materials