Thx for the m10x1.0 idea Tracy.  A 1/8 npt fitting is
.405 inches in diameter(
http://en.wikipedia.org/wiki/National_pipe_thread )
and 10mm = .393 inches.  thread pitch is also close on
paper.  In a test fit they seem to do just fine.

Thx Bill for the heads up on the grounding.  You've
saved me from a bit of head scratching when I finally
connected everything up...

-Scott


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