> Darin <d.rhein@xxxxxxxxxxx> wrote:
>
>
> Wayne Harridge
> >
> > Yes, I suspect they are metric.
> >
> The threads are M6 X 1. If you're not familiar with metric threads,
> thats
> 6mm diameter and 1 full thread per millimeter. I point this out because,
>
> unlike US Standard threads which count threads per inch, metric treads
> are
> designated by how many millimeters per full thread. So, where a finer
> thread
> would result in the TPI being a larger number in US Standard, with
> metrics
> the finer thread is indicated by a smaller number. For example, the
> finer
> 6mm size is M6 X .75.
>
Thanks very much for checking that out Darin, I have a small m*n*lt* stage (it
has a 1/4" screw at the moment) that I wanted to attach, so I'll get some M6x1
screws and give it a try.
>
> >
> > I guess the section without the rack wouldn't matter too much, you'd
> just
> > need to avoid moving the standards over that section. I suspect that
> it
> > would be a weak point and something might break if both sections of
> rail
> > weren't adequately supported.
> >
> One other issue that comes to mind, is that you might have a problem
> with
> the two rails not being correctly orientated with one another. However,
> this
> could be solved simply by using a spacer, such as a thin washer, between
> the
> rails. The fun part would be figuring out just how thick this spacer
> would
> need to be.
>
> As far as it being a weak point, I would tend to agree. Though, on the
> up
> side, the threads appear to have been cut, rather than formed. This
> means,
> with the right equipment, one could easily drill and tap the holes
> deeper to
> allow for the use of a longer stud, thereby creating a stronger
> connection.
>
Thanks, I'll pass on that for the moment !
...Wayne
Wayne Harridge
http://lrh.structuregraphs.com
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