
carbide cnc lathe threading turning insert 16ER*22ER for metal machining, tungsten carbide cutting insert, cbn insert, carbide die insert. ISO standard thread pitch 0.5/1.0, stable thread forming for precise workpieces. RT350 special carbide grade, excellent wear resistance for stainless steel machining. Smooth chip removal design, effectively avoid chip winding during lathe processing. High hardness cemented carbide substrate, long service life & lower replacement cost. Strict dimensional tolerance, consistent processing accuracy for mass production. Fits standard 06IR tool holders, universal compatibility with most CNC lathes. Fine surface finish on workpieces, reduce secondary polishing procedures. Factory direct supply, customizable grade & pitch for special machining demands. Good impact resistance, not easy to crack under intermittent cutting conditions. Optimized cutting edge angle, lower cutting force & save machine power consumption.