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  1. #1
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    Nov 2006
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    Default Closed End Pen Mandrel - 7mm

    On a bit of a bullet pen kick atm, found it a bit of pain to polish the shell and bullet after they were assembled and the tube soldered in.

    Decided I needed a closed end pen mandrel to hold the 7mm tube.






    Turned one up, milled some flat ends on it to take a 7mm spanner (to match the nut of the 4mm bolt running through it), then cut a slit in the end so it could expand.

    Definitely not a very straight hacksaw cut! Have a slitting saw on order so the next one can be straight.





    Holds the bullet like a charm, easy as to polish





    Now I can turn closed end slimlines and streamlines as well, beauty.

    Now to make one for a Cigar tube so I can make some Cigar bullet pens
    Last edited by Big Shed; 16th Oct 2011 at 04:26 PM.

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  3. #2
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    Feb 2008
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    Default

    Neat idea, and nice execution too... hacksaw cut included

    Cheers,
    Dave
    ...but together with the coffee civility flowed back into him
    Patrick O'Brian, Treason's Harbour

  4. #3
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    Default

    Nice one
    Cheers Rum Pig

    It is easier to ask for forgiveness than permission.

  5. #4
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    Default

    Fred, as inventive as ever, Amos
    Good, better, best, never let it rest;
    Til your good is better, and your
    better, best.

  6. #5
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    Thumbs up


  7. #6
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    Default

    Are you going to market this or similar?
    regards
    Nick
    veni, vidi,
    tornavi
    Without wood it's just ...

  8. #7
    Join Date
    Nov 2006
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    Bendigo Victoria
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    Default

    Quote Originally Posted by Sawdust Maker View Post
    Are you going to market this or similar?
    PM sent

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