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Activity Forums Cinematography 15mm rails – size and thread for M-M studs??

  • 15mm rails – size and thread for M-M studs??

    Posted by Bob Woodhead on September 14, 2011 at 2:13 am

    Anyone know what the size & thread is for 15mm rails? I need to tie female rails together with a male-male adapter.

    I’ve got a bunch of rail kit from Gini Rig, as well as an old Chrozsiel FF rig on Chrozsiel 15mm rails, and the Gini male-ended rails mate into the Chrozsiel, so I’m guessing the Gini is standard size. I need to get/make a few M-M studs to tie together the short Gini F-F rails.

    Went to the hardware store, and found the Gini male-ended rail screws perfectly (so it seems) into a 1/2-13 nut. But the 1/2-13 bolt only goes a turn or so into the female rail.

    Searched a lot, but can’t find the answer.

    “Constituo, ergo sum”

    Bob Woodhead / Atlanta
    Quantel-Avid-FCP-3D-AFX-Crayola
    Panasonic HPX500/AF100

    Bob Woodhead replied 14 years, 10 months ago 1 Member · 1 Reply
  • 1 Reply
  • Bob Woodhead

    September 14, 2011 at 2:37 pm

    Never mind – better hardware store. metric 12 w/ 1.75 thread

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