1. my new denford microrouter has a porter cable 86902 23k spindle in it.

    it looks like portable cable make about 3 different size collets for it, which is rubbish.

    the nut thread is 1.25mm, when I put my callipers across the thread I get 24.8mm. so im guessing its a 25x1.25mm thread.

    been struggling to find information on ER collect nuts, anyone know if one would fit?

  2. #2
    According to this page http://www.rbh-tools.com/er-collet-chucks/er11.html the table at bottom shows no 1.25mm pitch threads so doubtfull.

  3. rubbish

    so its ether new spindle or custom collet

  4. #4

  5. thanks but its not a direct replacement I need

    looking at the measurement's of an er20 collet I need a nut with a longer thread, or shorter collets

  6. #6
    Sounds to me like you need to find someone with a lathe who enjoys a challenge but balancing final item would probably be hardest part with 23k spindle.

  7. Quote Originally Posted by lucan07 View Post
    Sounds to me like you need to find someone with a lathe who enjoys a challenge but balancing final item would probably be hardest part with 23k spindle.
    indeed

  8. #8
    Ger21's Avatar
    Lives in Detroit, United States. Last Activity: 17 Hours Ago Has been a member for 6-7 years. Has a total post count of 574. Received thanks 80 times, giving thanks to others 0 times. Referred 1 members to the community.
    Quote Originally Posted by andy_con View Post

    been struggling to find information on ER collect nuts, anyone know if one would fit?
    No, they won't fit.

    You can get a wide range from here:

    http://www.elairecorp.com/portercablecollets.html
    Gerry
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