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Old 26-10-15, 08:56
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Ron Pier Ron Pier is offline
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Join Date: Apr 2009
Location: Poole. UK
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I just removed two of the button nipples from my 2 pounder AT gun to find that they are 1/8 BSP parallel 27tpi. Which I guess is the same as 1/8 NPT.
I also removed one of my Canadian UC nipples to find it's 3/8 x 20tpi (BSF) as Lynn said. Ron
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