The Omega Products ER Collet Extension with Castle Nut (UM) and Straight Shank is a durable, versatile accessory designed to extend the reach of your ER collet setup. Built for engineers, machinists, and hobbyists alike, this extension lets you work longer parts or reach recessed features without sacrificing precision or stability.

Its castle nut design provides a secure, adjustable connection between the extension and the collet, while the straight shank ensures compatibility with a wide range of tool holders and setups. That combination delivers stable alignment and dependable performance across demanding jobs.

• Secure Castle Nut Connection: Keeps the extension firmly attached and allows quick adjustments, minimizing downtime and slippage during heavy cutting or long-cycle runs.
• Extended Reach for Longer Workpieces: Adds substantial length to your ER16 setup, enabling easier access to deep pockets and extended shafts without repositioning, reducing part handling and setup time.
• Wide Tooling Compatibility with Straight Shank: The straight shank design fits a broad range of tool holders and configurations, simplifying setup and improving rigidity for consistent results.

With this ER Collet Extension, you gain the flexibility to tackle larger workpieces, faster setups, and reliable precision across extended operations. The robust construction resists wear under demanding machining, while the castle nut keeps connections secure for repeatable results job after job. Ideal for shops that frequently handle long parts or tight tolerances, this accessory helps you maintain productive workflows and high-quality finishes.