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Tuesday Tools – What is it?

by Jordan Ficklin

It has been a while since we’ve done Tuesday Tools but since I now have a garage full of new tools we’ll kick things off a day late with a “What is it?” Segment. Take a good look at the picture below. (Click on it for more detail) What is it? And how would one use it?
What is it?

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  1. Coltrey
    Posted January 11, 2012 at 9:22 am | Permalink

    They remind me of the insides of mechanical pencils – the part that distributes the lead/graphite sticks.

    I’m a lousy watchman, but I’d guess it’s for holding, measuring or placing something like an axle or a winding stem…the cylindrical bits.

  2. Posted January 11, 2012 at 9:45 am | Permalink

    This collet for watchmakerlathe.

  3. Peter
    Posted January 11, 2012 at 9:59 am | Permalink

    Ummm, the file name might just be a hint there…

  4. Trevor Darling
    Posted January 11, 2012 at 10:09 am | Permalink

    lol @ file name giving away function…

  5. J.Peter
    Posted January 11, 2012 at 10:14 am | Permalink

    What’s in a name? So the file name tells us what it is called, but what/how does one use it?

  6. Jordan Ferry
    Posted January 11, 2012 at 10:23 am | Permalink

    These are jewel chicks. Used for cutting damaged jewels out of a chaton.

  7. Jordan Ferry
    Posted January 11, 2012 at 10:25 am | Permalink

    *Typo, jewel CHUCKS not jewel chicks. Darn auto correct…

  8. Sharukh
    Posted January 11, 2012 at 10:39 am | Permalink

    They’re jewel chucks. Used in a collet usually #50 if I’m not mistaken. A good write up can be found in Fried’s Bench Practices.

  9. Patricio Libenson
    Posted January 15, 2012 at 1:21 am | Permalink

    The picture shows a set of colettes for watchmaker’s repairs.

    Hello everyone. Can somebody tell me where can I go to learn about watch making and repairing?

    Your help will be greatly appreciated.

    Thank you

  10. Posted March 15, 2012 at 4:09 am | Permalink

    Good Day!

    Actually they are called jewelling sub-chucks. They are used in the process of preparing jewel settings. You can see a full description on how they are used at:



  11. J.Peter
    Posted March 15, 2012 at 8:16 am | Permalink

    Dushan, that’s a great article about jeweling. I don’t know a whole lot about burnished in jewels and I learned a thing or two. I would love to learn even more about the process.

  12. jeffjs
    Posted January 29, 2013 at 8:26 pm | Permalink

    Collets for a watchmakers lathe. They are used to polish screws on watches.

  13. Douglas Skinner
    Posted May 15, 2016 at 1:43 pm | Permalink

    They look like jeweling collets. I have a set myself.

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