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Stem piece question

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forums; Hey, I want to make my own glass bong for the first time, and was wondering what the average diameter ...
  1. 09-30-2012, 10:40 PM #1
    Derple
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    Default Stem piece question

    Hey, I want to make my own glass bong for the first time, and was wondering what the average diameter of a stem piece is for a bong as I want to drill the hole with a diamond drill bit to put my stem in.
    Cheers ~ Derple

    (By the way, if this is in the wrong category, feel free to relocate it)
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  2. 10-01-2012, 03:40 AM #2
    CrownMeKing
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    There are a few diferent sizes for downstems. 10mm, 14.5mm, 18.8mm, and 29mm. The most common imo is 18.8 and also is the best.
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  3. 10-01-2012, 03:23 PM #3
    dankshizzle
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    Just get a grommet and make it big enough to hold a Diffy
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  4. 10-01-2012, 04:05 PM #4
    CrownMeKing
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    NO Grommets! Rubber pieces are old school homes.



    *but I guess in this situation since it's a homemade it would be apropriate
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  5. 10-01-2012, 09:15 PM #5
    dankshizzle
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    Well grommet to gong fitting of course. With a homage bong its fine.
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