Quote Originally Posted by AbuMaia View Post
I've been using the split couplers from MakerFarm for a few months now with no problem, and no tape. I did find out that they have to be tightened down VERY tightly. When tightening the screw to clamp the split around the shaft, when you feel the screw bottom out, keep tightening it. Get it as tight as you can get it.
I will try that, than plain foil, and if that doesn't work, will get some of the foil tape. Anyone have a link to the 5mm couplers with set screws?