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Thread: Tiny boring bar

  1. #1
    Christophe Mineau's Avatar
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    Tiny boring bar

    Hi
    For a very special work in the musical instrument area, I had the need of a very small boring bar.
    I simply has the idea to reuse somewhat my D-bit design, which ended up working pretty well.
    It's only 4 mm in diameter.





    Cheers !
    Christophe
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    Visit my Website : http://www.labellenote.fr/
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  2. The Following 9 Users Say Thank You to Christophe Mineau For This Useful Post:

    jjr2001 (04-30-2018), Jon (04-30-2018), JRock (04-30-2018), ncollar (04-30-2018), Paul Jones (04-30-2018), PJs (05-02-2018), rossbotics (04-30-2018), Seedtick (04-30-2018), Toolmaker51 (05-02-2018)

  3. #2
    rossbotics rossbotics's Avatar
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    Now that's a small boring bar

    Doug
    Comments are always welcome

    Doug

  4. #3

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    SO small...I cant see it.

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    ncollar's Avatar
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    I do not understand the two comment about his little boring bar. What part do you not understand. It's is a 4 mm bar cut like a "D" reamer, which usually cuts a finished hole exactly but in his case he is using it like a boring bar to make the hole bigger. I think he did a nice job of it and thank you for sharing with us.
    Nelson

  6. The Following 2 Users Say Thank You to ncollar For This Useful Post:

    Christophe Mineau (05-01-2018), Paul Jones (05-16-2018)

  7. #5
    Christophe Mineau's Avatar
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    Thanks Nelson.
    Mudnducs, are you saying you can't see the picture?
    Cheers !
    Christophe
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    Visit my Website : http://www.labellenote.fr/
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    All my personal works, unless explicitly specified, are released under
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  8. #6
    Content Editor DIYer's Avatar
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    Thanks Christophe Mineau! We've added your Tiny Boring Bar to our Machining category,
    as well as to your builder page: Christophe Mineau's Homemade Tools. Your receipt:




  9. #7
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    So did you turn down a 4mm bar to get the D?

    Nice!!

    Ralph

  10. #8

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    Quote Originally Posted by Christophe Mineau View Post
    Thanks Nelson.
    Mudnducs, are you saying you can't see the picture?

    Bingo, yessir.


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