NGD3189RK KC5010 Carbide Grooving Insert TiAlN Finish, RH, 4.8mm Cutting Width, 6.35mm Max Depth, Series Top. Steel, Stainless, Cast Iron, Non-ferrous, Super alloys, Hardened materials. The KC5010 grade is ideal for finishing to general machining of most workpiece materials at higher speeds. Excellent for machining most steels, stainless steels, cast irons, non-ferrous materials and super alloys under stable conditions. It also performs well machining hardened and short chipping materials.'