The Omega Products Hexagon Collet Nut is a purpose-built accessory for ER20 setups that use collet extensions. It provides a secure, reliable connection between the extension and the collet chuck, helping keep tools firmly in place during machining. With its hexagonal profile, this nut is designed for quick, confident tightening with standard wrenches or hex keys, simplifying installations and tool changes in busy workshops. Made from durable materials, it resists wear and maintains precise gripping force for dependable performance in demanding environments. Hex-Shape for Quick Tightening: Tightens and loosens with standard wrenches or hex keys, enabling faster setups and changes. Durable, Wear-Resistant Construction: Made from high-quality materials to withstand daily shop use and maintain grip over time. Secure, Consistent Connection with Collet Extensions: Delivers reliable clamping between the extension and ER20 chuck for repeatable results and reduced risk of slippage. This combination of secure connection, fast setup, and durable construction helps you streamline your workflow, reduce tool-change downtime, and achieve reliable, repeatable results across jobs. Whether you're performing precision milling or routine drilling, this hex nut supports stable tool alignment and dependable performance in busy workshops.