Questions tagged [threading]

The art of creating and repairing threads on fasteners, and holes to take those fasteners.

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Slight plumbing leak in 1930s threaded pipes

I have a 1930s-era house with generally galvanized plumbing. The water-in line is a straight vertical pipe, except for this section which is perpendicular (and copper). The loop part is marked "...
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Do I need to replace a brass T that points outward at 22d angle, not straight up?

Installed a 2.5g water heater expansion tank off of a existing 3/4 brass T on copper cold supply line on wall next to tank. Brass T does not point straight up but away from wall about 22 degrees. Used ...
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How do you identify a metric pipe thread?

I have a fitting that I think is a metric pipe thread. It is tapered. I have seen some charts on the web, but they are just for identifying parallel threads, not tapered threads. For example, these ...
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How to replace threaded metal shower drain?

After removing a leaking shower base in a house built in the 1980s, I ran into this threaded metal sewer end with what appears to be plastic inside. I was able to un-thread the old metal shower drain ...
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What are the exact measurements of this pipe thread?

I would like to 3D print something that fits into this threading: For that I would need the exact measurements of that thread, but without knowing what the standard is called it's hard to look them ...