16IL18UNK20 - Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Left Hand

Carmex Thread Turning Internal Insert is a precision tool designed for finishing internal threads inside bores. It supports UNC, UNF, UNEF, and UNS thread standards, making it a versatile choice for shops that work with a variety of fasteners. The left-hand orientation is specifically suited for left-handed threading operations, enabling efficient production with simple setups.

These laydown triangular inserts are built to handle a wide range of applications—from basic to demanding—delivering clean, accurate threads and dependable performance in a single, reusable tool.

• Broad thread standard compatibility (UNC/UNF/UNEF/UNS): One insert covers the major internal thread standards, reducing the need for multiple tools and simplifying inventory so you can complete more jobs with fewer tool changes.
• Left-hand threading suitability: Optimized for left-handed thread production, ensuring correct tool orientation and reducing rework for every pass.
• Triangular laydown geometry for versatile performance: The laydown triangular design provides stable cutting, smooth chip control, and the ability to handle a range of internal thread turning tasks—from quick finishes to more demanding threads.

This insert helps streamline your threading workflow by delivering consistent internal threads across common bore sizes, reducing downtime and rework while improving overall process reliability. With its broad compatibility and dependable geometry, you can trust it to support faster turnarounds and repeatable results across a wide set of jobs.