I am trying to install a tushy bidet on the toilet in my apartment but cannot for the life of me get this plastic socket off the metal screw. The first image is the current state of the plastic socket and metal screw after going at it for about two hours with a dremel. The plastic and metal seem to just be fully melded. Talked to a guy at the hardware store and was told our landlords did a hack job installing the seat this way in the first place, which checks out 🙃 this apartment is very old so it is likely that this seat hasn’t come off in decades. After much searching I can’t find anyone else online that has a set up that looks like this.
The second photo is what the socket looks like normally (one side was much easier to get off than the other).
Looking for any ideas on how to remove this stupid screw. It will not rotate at all, which kind of rules out taking a saw to it because there’s no way to fit a saw back there. I am nervous about straight up lighting it on fire and melting it off, which I’ve seen some do online, because my apartment bathroom has no fan, ventilation, or windows (see above about cheap landlord lol).
Have spent at least four hours today trying to get the toilet seat off, so any ideas are greatly appreciated!!
I am also willing to spend the money on a task rabbit to spare my partner several more hours of attacking it with the dremel, I’m just concerned that they also won’t be able to remove it