Jb weld. Then sand it.
Sarcasm???
Just did it and it came it good ,but i oversanded some parts so theres some threads sticking out but all the holes between threads filled in. it slides in the scooter smooth and put in ics boltAaahhhh, I had to be sure, almost impossible to tell over the internartz. I've never done it myself, but you just fill in the thread and the sand the excess bits out.