Sandvik Coromant Turning Insert, Series: CoroTurn® 107, TCMT Insert, 221 Insert, Triangular, 2.5 mm Maximum Depth of Cut, 1/4 in Inscribed Circle, 1/8 in Thickness, 11 Seat, Positive Rake, MM Chipbreaker, 0.016 in Corner Radius, 0.1102 in Hole Dia, Manufacturer's Grade: 1125, ANSI Code: TCMT 221-MM 1125, ISO Code: TCMT 11 03 04-MM 1125, 60 deg Included Angle, 7 deg Relief Angle, Neutral Cutting, Carbide, PVD-TiAlN+AlCr2O3 Coated, Material Grade: M, P, S, For Use On: Stainless Steel, Steel, Heat-Resistant Super Alloys and Titanium