Bridgeport-type R8 collets are clamping fixtures used in machine tools, designed to be mounted in R8-mounted chucks. They are used to hold work tools such as milling cutters and drills. The R8-mounted chuck is the component that houses the collet, while the latter holds the tool.
This collet offers a simple but effective mechanism for clamping tools, using a cone-shaped connection that ensures stability and reduces misalignment, essential for precision machining. Due to its simplicity and compatibility with conventional machinery, R8 collets are popular in manufacturing environments that require precision and reliability.