Meet the Omega ER11 Mini Nut Collet Chuck, a compact, high‑precision tool holder designed for small‑diameter milling and delicate precision work. Its dual contact design uses both face and taper contact to grip tooling firmly, delivering consistent runout control and repeatable results in a compact form factor. Built around the DCBT40 interface, it fits a wide range of compatible machines with reliability you can trust.

Designed for speed and dependable performance, this ER11 mini nut collet chuck runs up to 25,000 RPM and is meticulously balanced to G2.5. With a 100mm gauge length, it provides stable, accurate operation across demanding machining tasks and a broad variety of materials.

• Dual contact grip with face and taper contact: secure tool holding that minimizes runout, delivering concentric results and better finish consistency.
• High-speed capability up to 25,000 RPM: supports fast, efficient milling and drilling while maintaining stability and accuracy at speed.
• G2.5 balanced precision: carefully balanced to reduce vibration, extend tool life, and sustain reliable, repeatable performance across jobs.

This chuck translates into real workflow benefits: more confident tool retention, smoother cuts, and fewer setup adjustments, helping you complete projects faster with consistent quality. Whether you’re in a shop or a field service environment, the ER11 Mini Nut Collet Chuck DCBT40 with a 100mm gauge length is a dependable choice for precision-oriented machining.