Originally Posted by
Auburn02
This is a cool concept. Not sure I can accurately drill a 1.4mm hole in the center of a 3mm nylon bar but if I can, I will try this!
I would glue the threaded rod in the arm first. Then drill a smaller pilot hole thru the nylon. The arm can be held in a small vise, which makes it easier to control.
Or, if you have a lathe, then dill the rod in it.