The Omega BT40 ER Collet Chuck – Mini Type ER11 combines compact design with dependable precision for BT40 spindle systems. Built for high-speed milling, it delivers quick tool changes and tight runout in a slim, balanced package.

• Spindle compatibility: Designed for BT40 spindles to ensure secure, stable mounting in tight spaces.
• Collet system: ER11 mini-type collet for versatile tool holding and easy, tool-free changes.
• Speed rating: Capable of reaching up to 20,000 RPM for fast cutting and efficient material removal.
• Precision tolerance: G2.5 specification minimizes runout and maintains precise tool concentricity.
• Gauge length: 70 mm gauge length provides consistent engagement and stable performance across tools.
• Form: Form AD/B alignment compatible with standard BT40 tooling interfaces.
• Design advantage: Compact and lightweight construction reduces tool overhang and improves balance during high-speed operations.

With its compact footprint and precise, quick-change ER11 system, this BT40 mini chuck helps you boost productivity without sacrificing accuracy. The tight runout and balanced profile translate to cleaner passes, better surface finishes, and longer tool life, even at high spindle speeds. Ideal for precision milling, drilling, and finishing tasks, it supports reliable performance across a range of small-diameter tools and materials.