Carmex Thread Turning External Insert — UN (UNC, UNF, UNEF, UNS) — Right Hand — 22ER12UN3MBMA is a high‑performance, laydown triangular insert designed for external thread turning. It provides broad compatibility with the major thread standards in a single, versatile tool, making it ideal for machinists, engineers, buyers, tradespeople, and hobbyists who value reliability and speed. The right‑hand geometry and UNC/UNF/UNEF/UNS compatibility help you tackle a wide range of threading tasks with fewer tool changes and consistently clean results.

• Broad UNC/UNF/UNEF/UNS compatibility: Covers the major external thread standards so you can handle most jobs with one insert, reducing tool swaps and simplifying inventory.
• Laydown triangular geometry for stability: The triangular shape seats securely in standard holders, delivering a stable cutting action, smooth chip flow, and a cleaner thread finish.
• Proven, world‑class quality for reliable results: Part of an industry‑leading range recognized globally, designed for long tool life and dependable performance across a range of materials and applications.

This insert helps streamline your threading workflow by reducing tool changes, delivering consistent thread forms, and maintaining reliable performance through simple setup and routine production runs. Whether completing a single job or managing mixed UNC/UNF/UNEF/UNS lots, you can rely on this Carmex insert to deliver predictable results and keep your shop moving.