Sandvik Coromant Turning Insert, Series: CoroTurn 107, DCMT Insert, 3(2.5)3 Insert, Diamond, 4 mm Maximum Depth of Cut, 3/8 in Inscribed Circle, 0.156 in Thickness, 11 Seat, Positive Rake, PR Chipbreaker, 0.047 in Corner Radius, 0.1732 in Hole Dia, Manufacturers Grade: 4335, ANSI Code: DCMT 3(2.5)3-PR 4335, ISO Code: DCMT 11 T3 12-PR 4335, 55 deg Included Angle, 7 deg Relief Angle, Neutral Cutting, Carbide, Material Grade: P, For Use On: Steel