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  1. #1
    Does anyone use the above?theres a massive price difference compared to the likes of bison chucks so im wondering about their quality/accuracy.

  2. #2
    The main difference with a collet chuck is that the run-out is generally much lower than for a normal 3-jaw chuck. That doesn't necessarily make your parts more accurate though - if you can machine the part in one set-up, without removing it from the chuck between operations, then the end result is the same. If 1-10mins setting up the part concentrically in a 4-jaw chuck is not a problem, you might as well do that as it's a lot cheaper.

    Collet chucks also grip over a larger area, so can potentially hold with a higher stiffness and are less likely to make marks on the part.
    Old router build log here. New router build log here. Lathe build log here.
    Electric motorbike project here.

  3. #3
    ta,my other reasons for looking at collet holders are pneumatic release and bar grabbing.

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