The Omega BT40 ER Collet Chuck – Mini Type is designed for BT40 spindle systems, delivering reliable, precise tool holding with ER16 tooling. Its compact, lightweight design balances performance with reach, making it ideal for high-speed milling and tight setups.

• BT40 compatibility: Specifically built to mount securely on BT40 spindles for stable, repeatable clamping in demanding machining environments.
• Mini type ER16 collet system: Fast, tool-less changes with an ER16 interface, enabling efficient tool swaps without sacrificing accuracy.
• High-speed capability: Supports up to 20,000 RPM, suitable for fast material removal and fine finishes on a variety of workpieces.
• Precision rating: G2.5 designation ensures tight concentricity and minimal runout, enhancing cutting accuracy and surface quality.
• Gauge length: 160 mm gauge length provides balanced reach and rigidity, helping maintain stability during deep or extended cuts.
• Form AD/B interface: Standardized seating ensures reliable alignment with BT40 spindles and compatible tooling stacks.
• Lightweight, compact construction: Reduced tool overhang improves balance and minimizes vibration, contributing to longer tool life and better finishes.

With this BT40 ER Collet Chuck in your toolholding lineup, you’ll experience faster tool changes, consistent gripping force, and improved surface finishes across high-speed milling tasks. The combination of ER16 compatibility, the 160 mm gauge length, and the G2.5 precision rating translates to dependable performance in pocketing, profiling, and fine finishing operations—especially on aluminum and other common milling materials. For best results, pair with appropriate ER16 collets and ensure proper seating in the Form AD/B interface to maintain repeatable accuracy cycle after cycle.