FENGYI Metric Counterbore Threaded Blade Hex Shank 16ER1.5 2.0 2.5 3.0ISO NR AG60 55 P30 Bright Finish 3-Year Warranty OEM
Manufactured by Chengdu FENGYI Precision Tools, this 16-series threading insert range includes 16ER external and 16NR internal models, supporting 1.5–3.0mm ISO full profiles and AG60/AG55 partial profiles. The M20 tungsten carbide grade is engineered for steel and stainless steel threading.
Precision-ground with razor-sharp cutting edges and optimized chipforming geometry, the M20 insert ensures consistent chip control and smooth thread flank finish. It delivers excellent wear resistance and edge toughness, maintaining stable performance at medium to high cutting speeds.
Fully compatible with standard 16-series threading tool holders, these inserts allow fast indexing to reduce machine downtime. They are widely used in hardware, hydraulic, automotive and machinery industries, delivering high cost efficiency for mass thread production.
