Sandvik Coromant Turning Insert, Series: CoroTurn 107, TCMT Insert, 3(2.5)2 Insert, Triangular, 4 mm Maximum Depth of Cut, 3/8 in Inscribed Circle, 0.156 in Thickness, 16 Seat, Positive Rake, MR Chipbreaker, 0.031 in Corner Radius, 0.1732 in Hole Dia, Manufacturers Grade: 2220, ANSI Code: TCMT 3(2.5)2-MR 2220, ISO Code: TCMT 16 T3 08-MR 2220, 60 deg Included Angle, 7 deg Relief Angle, Neutral Cutting, Carbide, TiCN/Al2O3/TiN, Material Grade: M, For Use On: Stainless Steel