The Omega BT40 ER Collet Chuck — Mini Type ER16 is designed for BT40 spindle systems, delivering precise, reliable toolholding in a compact 100mm gauge-length package (Form AD). It supports high-speed milling up to 20,000 RPM with tight runout, making it ideal for demanding machining workflows.

• Compact BT40 mini type: Slim profile reduces tool overhang and enhances balance for improved rigidity and surface finish.
• ER16 collet system: Enables fast, tool-friendly changes to keep your workflow efficient in high-speed operations.
• High-speed capability: Rated up to 20,000 RPM to handle a wide range of cutting tools and applications.
• G2.5 precision: Tight concentricity and minimized runout ensure accurate tool engagement and consistent finishes.
• 100mm gauge length: Provides stable reach and rigidity for deeper pockets and extended reach tasks.
• Form AD mounting: Standardized configuration for secure seating in BT40 machines and reliable performance.

This mini chuck delivers dependable toolholding that translates to better hole positions, cleaner tool paths, and smoother surface finishes at high speeds. Its compact design lowers overhang for improved machine rigidity, while the ER16 system supports a broad range of tool diameters. Ideal for shops performing quick tool changes in high-speed milling, drilling, and pocketing tasks, the Omega BT40 ER Collet Chuck helps you optimize throughput and precision without sacrificing stability.