I stumbled onto yet another shiny tool. I have now entered collectorhood, I
think, with regard to surface gauges. My ID is by catalog picture and the date
is based on bracketing the patent (july 11, 1905) listed in the 1909 catalog,
and it not showing in 1916 (catalog 27).
I come to the gathered galoots not to bring this tool to the bench, per se, but
because it is missing a single thumbscrew for height adjustment, and I am
looking for a source before making one.
The thread is #8-40 machine. I can make it, but, surprisingly I don't have a die
for this (really... I have nearly all of the small die and tap sizes  I have
ever needed except the Stanley 9/32-20 and the B&S #7-40 for a planer gauge.
Even #14-20, and the Starrett 0.150-whatever that they still use on a number of
tools....) and, as the die is about $US45 to purchase so that is a last resort,
and single point threading a 1" long screw at this size is really annoying (I
have done it enough times that the thrill is gone), I thought I would throw this
to the porch for input.
Does anyone know of a source for #8-40 thumbscrews or thread rod?

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