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Collets play a key role in machine tool machining, they ensure that the workpiece remains stable during the machining process, thus ensuring machining accuracy and quality. The main purpose of a collet is to hold a cylindrical workpiece so that it can be machined. Often, cylindrical workpieces (e.g. shafts, bearings, threaded rods, etc.) need to be rotated or pivoted on a machine tool in order to perform machining operations such as cutting, drilling, turning, and so on. A collet ensures that the workpiece is held securely on the machining platform by applying uniform pressure around the workpiece, thus making the machining process more precise and safer.