Omega Products ER32 (ISO) Quick Change Rigid Tapping Collet in 4.00mm is a precision tool designed for efficient tapping operations and intended for use with ER32 tool holders. It is compatible with standard ER32 collet nuts, providing a seamless upgrade path for existing setups. With a quick-change design, it enables fast tool changes to minimize downtime and boost productivity. The rigid tapping capability ensures precise thread formation, while high-quality materials and construction deliver durable, long-term performance. Fast, tool-change design: Swap taps in seconds with the quick-change interface and standard ER32 nuts, minimizing downtime and boosting productivity. Rigid tapping precision: Delivers precise, repeatable thread formation for clean, accurate threads across applications. Durable, ER32-ready build: Crafted from high-quality materials with tight tolerances to withstand daily shop use and ensure reliable compatibility with ER32 holders and standard nuts. These features translate into practical benefits: faster setup, fewer interruptions, and more consistent tapping results that improve overall workflow and finish quality. The 4.00mm collet size ensures a tight, stable grip for metric tapping tasks, while compatibility with ER32 tool holders and standard nuts means quick integration with existing equipment. Built to endure busy shop environments, this collet supports reliable performance, longer tool life, and reduced maintenance over time.