Series spring u bolt thread pitch

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  • tmckeon88
    1st Gear
    • Jan 2007
    • 139

    Series spring u bolt thread pitch

    Hi all -

    Does anyone know the thread and nut sizing for the u bolts sold by RN? I just bought a set and was looking for stainless steel nuts to replace the stock ones, and I found that some of the u bolts have metric M12 X 1.75 pitch, and some have some other, finer thread that is not metric fine. The nut size is still M12 but the threading is different- is it possibly BSF and does anyone know its sizing? The bolts themselves are 12MM I think and the nut is 18 MM.

    Thanks,
    Tom
    Tom
    1969 Series IIA 88"
    I like it because I understand how it works (mostly).
  • jimrr
    4th Gear
    • Dec 2010
    • 469

    #2
    it should be whitworth std? call RN?

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