Omega Products ER40 (ISO) Quick Change Rigid Tapping Collet — 3.55mm is a precision collet designed for rapid, reliable tapping on ER40 tool holders. The quick-change design lets you switch taps quickly, reducing machine downtime and keeping your workflow on track, while rigid tapping delivers accurate thread formation for clean, finished holes.

For machinists, engineers, and DIY enthusiasts, this collet provides straightforward integration with standard ER40 collet nuts, robust construction for long service life, and consistent performance under demanding machining conditions.

• Quick-Change Convenience: Swap taps in seconds with standard ER40 nuts, minimizing downtime and keeping jobs moving.
• Rigid Tapping Precision: Delivers accurate thread formation and consistent thread depth for clean, repeatable results.
• Durable ISO-ER40 Build: High-quality materials and tight tolerances withstand heavy use while preserving alignment and performance across jobs.

With this ER40 quick-change collet, you gain faster setup, more consistent thread quality, and dependable performance across jobs. Its compatibility with standard ER40 tooling means you can leverage existing hardware, reduce downtime, and achieve repeatable results from prototype runs to production batches.