[tr6scott]

A little "goop" works too.
it is a little less sticky than hot melt glue, better option to get it apart if needed.

Drill and tap it, put a shoulder bolt in it, with a little locktight, cut the head off it, and use the surgical tube coupling method, with zip ties.

If your mechanism has significant momentum, and the you get encoder bouncing values when you stop due to the surgical tube twisting, change out the surgical tube with 1/4" high pressure fuel line. We needed to do this last year on our elevator. We have used this method for years in the past with surgical tube, last year was the first we saw and issue with bounce, when changing directions, stopping, etc.