Sandvik Coromant Turning Insert, 1-Sided, Series: T-Max, RCGX Insert, 5(6.3) Insert, Round, 0.236 in Maximum Depth of Cut, 5/8 in Inscribed Circle, 0.394 in Thickness, 15 Seat, Positive Rake, SM Chipbreaker, 5/16 in Corner Radius, Manufacturers Grade: 650, ANSI Code: RCGX5(6.3)T8015 650, ISO Code: RCGX151000T20015 650, 7 deg Relief Angle, Neutral Cutting, Ceramic, Uncoated, Material Grade: H, K, S, For Use On: Cast Iron, Hardened Materials and Heat Resistant Super Alloys