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

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