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Old 04-07-2017, 11:20 PM
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OzEclipse (Joe Cali)
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Join Date: Jun 2012
Location: '34 South' Young Hilltops LGA, Australia
Posts: 1,482
Old University Optics(UO) gear was machined in Michegan. If so, it may be imperial threads.

Newer UO stuff is made in China. (metric)

Bintel gear is probably Chinese. (metric)

You need to put a thread gauge on it to measure pitch and thread angle. Any decent machine shop could measure the threads and make you an adaptor if you can't buy one.
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