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    <p>Good points; those nuts will work themselves loose and you'll get
      'thunks' and oblonged holes (this is one place my go-to
      threadlocker didn't help).  I got some Nord-Lock washers, but
      haven't installed them:</p>
    <p><a class="moz-txt-link-freetext" href="https://www.amazon.com/nord-lock">https://www.amazon.com/nord-lock</a></p>
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    <div class="moz-cite-prefix">On 8/1/2019 7:57 PM, Alan Seigrist
      wrote:<br>
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      <div dir="ltr">It's good to use a grade 8 bolt (they don't
        stretch) and a metal lock nut and steel washer and tighten like
        hell.  Ideally the bolt has a proper shoulder and isn't threaded
        to the head (technically these are hex screws).  Make sure all
        surfaces are clean and no oil (spray with brake cleaner or
        something like that).  You can also try a safety nut and wire
        it....
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        <div dir="ltr" class="gmail_attr">On Fri, Aug 2, 2019 at 10:13
          AM Harold Manifold <<a href="mailto:manifold@telus.net"
            moz-do-not-send="true">manifold@telus.net</a>> wrote:<br>
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              <p class="MsoNormal" style="margin:0in 0in 0pt"><span
                  style="font-size:10pt;font-family:Arial">What is the
                  secret to tightening the rear shock <span
                    class="gmail-m_-5883003647097470418377415001-02082019">mounting
                  </span>bolts <span
                    class="gmail-m_-5883003647097470418377415001-02082019">on
                  </span>an Armstrong lever arm shock absorber? After
                  attacking the problem unsuccessfully with many
                  different tools I ground one side of an inexpensive
                  9/16" socket until it would fit to hold the head of
                  the bolt. Surely BMC had a better method.</span></p>
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                  style="font-size:10pt;font-family:Arial"> </span></p>
              <p class="MsoNormal" style="margin:0in 0in 0pt"><span
                  style="font-size:10pt;font-family:Arial">Harold</span></p>
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