The Omega Products Bridgeport Collet (R8) - 12mm is a precision tool holder designed for Bridgeport-style milling machines that use an R8 spindle taper. It provides a secure, repeatable grip on cutting tools, helping you achieve accurate, consistent results across jobs. Suitable for professionals and hobbyists alike, this collet makes tool changes quick and reliable, so you can focus on getting the job done. Designed to hold 12 mm tool shanks securely, it accommodates end mills, drill bits, and reamers, delivering reliable grip and consistent performance in a variety of milling tasks. The collet swaps quickly, helping you reduce downtime and keep your workflow moving. R8 Bridgeport compatibility: Specifically engineered to fit Bridgeport milling machines with an R8 spindle taper, providing dependable, concentric tool retention during cutting. Secure 12 mm tool shank grip: Designed to hold 12 mm end mills, drill bits, and reamers with a precise, slip-resistant grip for improved accuracy and surface finish. Fast, easy tool changes: Quick-release and re-seat action lets you swap tools rapidly, minimizing setup time and keeping your milling workflow on track. With the Omega Bridgeport Collet (R8) - 12mm, you gain a reliable, repeatable clamping solution that supports consistent results across jobs. The focused, tool-compatible design reduces runout, lowers the risk of tool loosening, and cuts down the time spent between tool changes—helping you complete more work with confidence and better overall finish quality.