Rack Rail Screw Size?

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This topic contains 7 replies, has 6 voices, and was last updated by Profile photo of Lou Lou 5 years, 9 months ago.

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    Profile photo of Ken

    Anyone know the size and pitch of the rack rail screws? I guess I tossed mine when I emptied the tube so now I need to make a trip to Home Depot to get 6 more and would prefer to not buy 3 different sizes to try. 🙂

    I thought I saw it the product description somewhere but I can’t find it again…

    Thanks in advance.

    Profile photo of GCumbee


    Profile photo of SteffenR
    Profile photo of DoctorG

    It’s a shame that a simple question sometimes doesn’t have a simple answer! Standards? What Standards?

    10-32 threads are historically the original rack screw type.
    12-24 is now more common than 10-32 in pre-threaded racks. …
    A metric rack uses M6: 6mm-0.1mm
    Since the introduction of the square hole rack and Cage Nuts, the exact thread can be selected and changed at will.
    Rack Screws

    So it depends on the particular rack you are using!

    Profile photo of SteffenR

    not in Europe, here we have standards
    the ISO did this… and we care about

    and Germans have always standards
    DIN, EN, ISO

    damn it’s not that simple 😉

    Profile photo of Ken

    Thanks folks. Lowe’s didn’t have a M4x8 but they did have a M4-.70 X 6 and that works fine.

    I knew I’d seen that diagram somewhere but couldn’t remember. I didn’t download the getting started guide PDF but I have the full reference guide saved on my iPad and didn’t see it in there.

    Thanks so much.

    Profile photo of [XAP]Bob

    The thing about standards – there are so many to choose from…

    Profile photo of Lou

    Doctor G, your reference is for server farms, not audio! Never seen 12-32 screws in an audio rack. Audio racks use 10-32. You can get them in bags of 100 cheap many places online, I’d never go go a hardware store for that kind of thing! Electronics store if you have one locallly, but you can get them overnight online.

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