In article , Carmine Castiglia
says...

Better check your math there, Jim. I think it's more like 0.0059 inch error
over 1/4".

Ah, I did the calculation correctly - but it was for the pitch error in
*one* thread.

For a quarter inch length of 26 tpi, there are about six threads,
so the *accumulated* error is indeed about six thou.

Sorry for the confusion - but I think this could be a passable way
for him to fabricate a fixture.

Jim


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