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Thread: Mystery blanks.

  1. #1
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    Default Mystery blanks.

    Sveral years back we were in the States and went to Penn State Industries where i bought some kits - since used - and two computer circuit blanks
    I did not get kits for the blanks and I have not been able to accurately measure the inside diametre of the tubes so I can find which kit will fit.
    The blanks are quite long and I could possibly get two single barrel blanks from each.

    I asm stumped as o how to measure the tube size. Any ideas?

    Tyhanks,artme.

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  3. #2
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    Default

    Could be Sierra tubes, as most of the Circuit board blanks I have seen are for the Sierra Series of pen kits.

    Measuring the inside diameter of the tube depends on what measuring implements you have. Verniers make short work of the job.

    I'll wander outside and measure the internal diameter of a sierra tube.
    Pat
    Work is a necessary evil to be avoided. Mark Twain

  4. #3
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    Pat
    Work is a necessary evil to be avoided. Mark Twain

  5. #4
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    Thanks Pat but it is the inside dimension that I need. Perhaps I should get my drill bits out and try the. Surely something I have must be close!

  6. #5
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    Artme, they are the internal dimension, in both imperial and metric.
    Pat
    Work is a necessary evil to be avoided. Mark Twain

  7. #6
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    Eyesight not good Pat!! Did not notice the tube in the photos!! The blanks I have Are a bit grotty around the ends and i could not get a good/reliable
    reading on my verniers. I will check in the morning to see how close to your measurement Mine might be.

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