Sandvik Coromant Turning Insert, 1-Sided, Series: T-Max® S, TPMR Insert, 321 Insert, Triangular, 3/8 in Inscribed Circle, 1/8 in Thickness, 0.6495 in Length, 16 Seat, Positive Rake, 53 Chipbreaker, 0.0156 in Corner Radius, Manufacturer's Grade: 2025, ANSI Code: TPMR 321 2025, ISO Code: TPMR 16 03 04 2025, 60 deg Included Angle, 11 deg Relief Angle, Neutral Cutting, Carbide, CVD-TiCN+Al2O3+TiN Coated, Material Grade: M, For Use On: Stainless Steel