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repeatable bore finishing for small-diameter workpieces
delivering consistent bore sizes over many cycles and reducing replacement downtime
005 mm for repeatable results across jobs
Substrate: HSS‑E (M35 cobalt) for improved wear resistance
Long-neck with tapered design: Reduces vibration and chatter for cleaner surfaces
Carmex Thread Turning External Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 16ER40UNBLU FMH repeatable bore finishing for small-diameterCarmex Thread Turning External Insert UN (UNC, UNF, UNEF, UNS) Right Hand 16ER40UNBLU is a versatile external threading insert designed to cover the majority of UN thread standards. Its high quality laydown triangular geometry delivers stable, efficient cutting across a wide range of applicationsfrom basic threading tasks to the most demanding production work. Designed for professionals who need reliability in busy shops, this blue finished insert is
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