WWLNR External Turning Tool HolderCompatible inserts: WNMG, WNMA octagonal inserts, etc. Mainly used for external rough turning, semi-finishing, face turning and step shaft machining. It can machine steel, stainless steel, cast iron, non-ferrous metals and other materials. With multiple cutting edges and high utilization rate, it is suitable for general machining and batch shaft parts processing, and applicable to CNC lathes, turret lathes and turning centers.