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Stuart drain cocks

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John gallo02/03/2016 15:38:35
26 forum posts

Hi, has any one had any experience installing Stuart models 5/32 drain cocks? They are supposed to be a 5/32 32 thread, and that is what I cut on a scrap piece of brass. The cock will only thread on about 1 full turn before locking up. I checked every thing twice, but it will not go. Any advice on this would be greatly appreciated. Thanks, John.

Neil Wyatt02/03/2016 16:40:37
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19226 forum posts
749 photos
86 articles

I think they are 40 tpi not 32.

Looking at the website it doesn't say but they sell 5/32 x 40 ME taps but not 5/32 Whitworth ones which suggests 40tpi.

Neil

John gallo02/03/2016 17:29:04
26 forum posts

Using a thread gauge they are indeed 40tpi. Thanks for your help, I should have checked the thread before posting.

HomeUse03/03/2016 13:53:16
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168 forum posts
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Yes 5/32 x 40TPI (ME) Thread

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