Sandvik Coromant Turning Insert, Series: CoroTurn 107, CCGT Insert, 3(2.5)1 Insert, Diamond, 2.1 mm Maximum Depth of Cut, 3/8 in Inscribed Circle, 0.1562 in Thickness, 09 Seat, Positive Rake, UM Chipbreaker, 0.0156 in Corner Radius, 0.1732 in Hole Dia, Manufacturers Grade: 5015, ANSI Code: CCGT 3(2.5)1-UM 5015, ISO Code: CCGT 09 T3 04-UM 5015, 80 deg Included Angle, 7 deg Relief Angle, Neutral Cutting, Carbide, Uncoated, Material Grade: K, P, For Use On: Cast Iron and Steel