The Omega Dual Contact DCBT40 ER40 Collet Chuck with a 70 mm gauge length is a precision tool holder designed to securely clamp ER40 collets in high-speed machining. Its dual-contact design and precise balance up to 25,000 RPM help deliver consistent runout control and repeatable results.

Suitable for engineers, machinists, and manufacturers who demand reliable performance in demanding environments, this chuck provides stable tool seating and quick, confident setup for demanding milling and drilling operations.

• Dual-Contact DCBT40 Interface: Secure tool retention and reduced runout during high-speed milling, ensuring reliable accuracy across long, continuous runs.
• Face and Taper Contact for Stability: Advanced engagement design that maintains concentricity under load, delivering consistent gripping and smoother finishes.
• Precision-Balanced to G2.5 at 25,000 RPM: Smooth operation at top speeds with reduced vibration, supporting reliable performance in demanding, high-speed applications.

This combination of stable clamping, high-speed readiness, and durable construction helps you achieve tighter tolerances, faster changeovers, and more consistent results—boosting productivity and confidence in every job.