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VMT, Collet Chuck is available in three size 25, 42 and 60. These Chuck are interchangeable with power chuck. Collet chuck type has spring collect type collect chuck with great rigidity and infallible. Collet Chuck increase efficiency and productivity always high performance, cost effective and great stability. We also provide customized solution if you need a customized Collet chuck. VMT, Collet Chuck applies clamping force all the round the diameter of the part instead of just selected contact area. This result in high concentricity. A collet chuck is a type of clamping device used in machining and manufacturing to hold workpieces or tools securely in place. It consists of a cylindrical sleeve (the collet) that can be tightened around a tool or workpiece to ensure a firm grip.