Omega's Dual Contact DCBT40 ER16 Mini Nut Collet Chuck is a compact, high-precision tool holder designed for ER16 tooling in milling and drilling operations. Its face and taper contact ensure secure grip and consistent runout control, delivering reliable performance even in demanding workpieces. Engineered to run at speeds up to 25,000 RPM and balanced to G2.5, it maintains stability and accuracy under high-speed cutting. With a 70mm gauge length, this chuck pairs compact size with rigid clamping for versatile use in tight setups.

• Secure Face and Taper Contact: Dual-contact design provides concentric, slip-free tool holding for repeatable accuracy and reduced runout during high-speed machining.
• High‑Speed Stability at 25,000 RPM: Precisely balanced to G2.5 to minimize vibration, delivering smoother operation, improved surface finish, and longer tool life at top speeds.
• Compact 70mm Gauge Length ER16 Mini Nut Design: Slim, space-efficient form with a mini nut system for reliable clamping and easy integration into tight setups and a broad range of ER16 tooling.

This chuck supports efficient, consistent performance across a wide range of industrial applications. The combination of secure clamping, high-speed capability, and a compact gauge length helps reduce downtime, improve tool retention, and enhance overall machining reliability—so you can achieve precise results with confidence in every job.