wheelman@nac.net wrote:
> ISO = International Standards Organization. It is a group of industrial
> quality specification people primarily in Europe but has made its way
> across the globe. If you do business on a serious scale in Europe it is
> almost insisted upon to become ISO certified. Almost but not quite like UL
> was in this country. As for the threads, I cannot help you but at least
> you know they meet some standard but don't think to highly of it. I
> certified many specifications and processes under ISO and it is no big
> deal. Sounds important but not really.
An ISO thread freewheel will be 1.375" x 24TPI; almost exactly like English threading (1.370 x 24TPI).
--
John (john@os2.dhs.org)
Appleton WI USA