01-06-2023, 01:28 PM
I think I remember that the threaded bit is hammered, to spread it and lock the nut.
If so, repeated moving the nut back and forth, and/or screwing it in to get access to the end of the thread with a file, should release it.
If so, repeated moving the nut back and forth, and/or screwing it in to get access to the end of the thread with a file, should release it.