Omega's Bridgeport ER Collet Chuck is a precision tool holder designed to securely grip cutting tools in milling machines. It is built for Bridgeport milling machines and delivers a reliable, repeatable grip to keep tools precisely aligned during milling operations. Designed for high-speed performance, this chuck supports up to 12,000 RPM, helping you maintain consistent results from prototype runs to production work while reducing tool slippage and setup rework. Secure tool gripping: ER collet design provides a firm, dependable hold on cutting tools for accurate positioning and stable performance during demanding milling tasks. Bridgeport compatibility up to 12,000 RPM: Specifically crafted to fit Bridgeport milling machines and operate reliably at high speeds for fast, efficient tool changes. Durable, high-quality construction: Built to endure rigorous milling use with tight tolerances, delivering long service life and consistent results batch after batch. With this Bridgeport ER Collet Chuck, you gain fast, secure tool changes and stable holding that enhance accuracy, reduce downtime, and support reliable performance across a wide range of milling applications.