Carmex Thread Turning Internal Insert for UNJ thread standards (UNJC, UNJF, UNJEF, UNJS) is a right-hand internal threading insert designed for use in lathes and turning centers. The robust, laydown triangular geometry provides broad UNJ coverage, letting you tackle a wide range of applications—from routine production work to the most demanding threads—with a single, reliable insert.

• Wide UNJ form compatibility: Reduces tool changes by supporting UNJC, UNJF, UNJEF, and UNJS internal thread forms with a single insert, simplifying setup and inventory.
• Triangular laydown geometry for stability and finish: The laydown triangular shape provides robust support in the cut, promoting uniform chip control, reduced chatter, and consistent thread profiles across materials.
• Right-hand threading optimized: Specifically designed for right-hand internal threads, delivering reliable engagement, clean starts, and predictable results in production environments.

Designed to streamline threading operations, the Carmex UNJ internal insert helps you achieve consistent thread quality across UNJ standards while reducing tool wear and maintenance. Its durable construction and versatile coverage support tighter tolerances, faster setup, and fewer insert changes—keeping your workflow efficient and on schedule.