The Omega Products Bridgeport Collet (R8) – 18mm is a precision tool holder designed for Bridgeport milling machines that use the R8 spindle taper. This 18mm collet delivers a secure, concentric grip on cutting tools, enabling quick tool changes and dependable performance across end mills, drill bits, and reamers. Concentric, Secure Tool Grip: Engineered to hold 18mm cutting tools tightly with minimal runout, helping you achieve accurate cuts and longer tool life. Fast Tool Changes: Simple, smooth insertion and release allow for quick swaps between tools, reducing setup time and keeping your workflow moving. Durable, Precision-Made Construction: Built for rigidity and wear resistance, with a robust body that maintains alignment and performance through demanding milling tasks. Designed for professionals and hobbyists alike, this collet delivers reliable holding power and easy usability for a wide range of milling operations. With its sturdy build and straightforward changeover, you can trust consistent results, reduce downtime, and keep projects on schedule when working with Bridgeport machines that use the R8 taper.