r/metalworking 4d ago

please give help to me about thread

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u/OfficeSweaty3805 4d ago

I don't know what kind of male screws are in the picture, and the outer diameter is 10.8mm. The female screws are 1/8 npt. I tried assembling them, but only the first part takes a little bit and it doesn't go any further. If you force it, it won't join anymore. I need female screw specification information that is compatible with the exact specification information of the male screw.

it's helium tank. I try change the nozzle.