I had 1" galvanized pipe cut to size and threaded at a large hardware store but they still won't screw all the way into the fittings. When I compare them to the pre-threaded pipes I bought, the pre-threaded appear to taper slightly all the way down the threads and screw in just fine about a 1/2" but the store threaded pipes only screw in about 1/4" or less. I've tried WD-40, Vaseline and I even filed the ends down a little to remove any burrs. They don't need to be leak proof because I'm using them to building a closet organizer but they do need to fit together. Any suggestions?
Plumbing – How to get a galvanized pipe that was threaded at the hardware store to screw into the fitting
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Best Answer
I use to run a pipe threader at Home Depot, and my cuts always fit just like the pre-threaded pipe. Their machine could have been out of adjustment. If the threads don't look the same as a pre-threaded pipe, and they don't fit the same, something is wrong.
For what you're doing, 1/4" of pipe thread might not provide the strength you need even though it doesn't have to be water tight. Take it back and show them the problem.