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Thread: Sinar Extension Rail Doesn't Fit

  1. #1

    Sinar Extension Rail Doesn't Fit

    I have a 12" Sinar extension rail that fits with one of my other Sinar rails, but doesn't fit with the other rail I've got. The screw seems to be too small to engage the socket on the other rail. Did Sinar make two sizes of rail screws?

  2. #2

    Join Date
    May 2001
    Location
    Switzerland
    Posts
    1,330

    Re: Sinar Extension Rail Doesn't Fit

    I'm sure not, but maybe the former user did some changes!

    Cheers Armin

  3. #3

    Join Date
    Sep 2003
    Location
    Massachusetts USA
    Posts
    8,476

    Re: Sinar Extension Rail Doesn't Fit


    You may have gotten the wrong kind. There are black-ended ones, and red-ended ones.

    You're not the first person to make this mistake: I did too. I purchased the wrong kind.

    The black one doesn't rotate. It is a terminal piece, you might say. It is designed to fit into a red one.

    The red one rotates, allowing the head of a black one, to be screwed into the other end.

  4. #4
    Drew Wiley
    Join Date
    Sep 2008
    Location
    SF Bay area, CA
    Posts
    18,337

    Re: Sinar Extension Rail Doesn't Fit

    Center rail versus extension rail

  5. #5

    Re: Sinar Extension Rail Doesn't Fit

    I have two black rails and one red one. The red one screws into one of the black rails just fine (either end), but not the other one (neither end). I turn the red end to tighten it and it just turns without ever engaging the threads. That's why I wondered if Sinar used two different size threads.

  6. #6

    Join Date
    Jan 2010
    Location
    china
    Posts
    9

    Re: Sinar Extension Rail Doesn't Fit

    seems the red one is extension rail.

  7. #7

    Join Date
    Jul 2008
    Location
    Montreal
    Posts
    1,439

    Re: Sinar Extension Rail Doesn't Fit

    As Ken and Drew mentioned, one, the black ended rails, are the the center rails, red ended rails screw into it. You need another red ended rail if you wish to add on further.

    You can not add a second black ended rail into the project.

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