Seco Turning Insert, SNMG Insert, 543 Insert, Square, 5/8 in Inscribed Circle, 6.35 mm Thickness, 15.875 mm Width, 15.875 mm Length, 15 Seat, Negative Rake, M5 Chipbreaker, 1.2 mm Corner Radius, 6.35 mm Hole Dia, Manufacturer's Grade: TP25, ANSI Code: SNMG543-M5, ISO Code: SNMG150612-M5, 90 deg Included Angle, 0 deg Relief Angle, Neutral Cutting, Carbide, CVD-TiCN/Al2O3 Coated, For Use On: Steel, Stainless Steel and Cast Iron