CNMG VS WNMG are two common types of inserts used in turning operations. While they share similarities, they also have distinct characteristics that make them suitable for different applications. CNMG Inserts WNMG Inserts Key Differences Feature CNMG WNMG Shape Rhombic (80° angle) Trigon (80° angle) Cutting Edges 4 (double-sided) 6 (double-sided) Strength Stronger, better for roughing Less robust, better for finishing Toolholder Rigidity More secure pocket, less wear Less secure, prone to pocket wear Applications Heavy roughing, tough materials Medium/light cuts, finishing Cost per Edge Higher (fewer edges) Lower (more edges) Availability More common, wider variety Less common, fewer options When to Choose Practical Considerations Recommendation If you have specific