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Cox Conquest exhaust bolt: its 4-40!! Cox_ba12




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Cox Conquest exhaust bolt: its 4-40!! Pixel

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Cox Conquest exhaust bolt: its 4-40!!

Cox Engines Forum  :: General Discussion :: General Questions

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Cox Conquest exhaust bolt: its 4-40!! Empty Cox Conquest exhaust bolt: its 4-40!!

Post  OVERLORD Sun Mar 15, 2015 1:07 pm

Does someone know or can someone check what kind of thread is used for the bolts of a Conquest exhaust?

Cox Conquest exhaust bolt: its 4-40!! Imgp3715

Thanks, Lieven
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Post  Surfer_kris Sun Mar 15, 2015 3:21 pm

Well it is not metric, so then I'm struggling as usual, but to me it looks like a 4-40 thread.
Perhaps someone overseas can give a better, and/or more certain, answer....
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Post  OVERLORD Mon Mar 16, 2015 5:28 am

Thanks Kris. It is 4-40 UNC indeed. Upon your message, I started looking for a 40 TPI bolt that is smaller than an 049 prop bolt... and I found one: the clamping bolt of a Dumas heat sink is 4-40 and fits perfectly. Thanks again.

Lieven
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