I have a one inch ball screw with balls at .145 made of some kind of plastic. I want to replace with steel balls went to local bike shop and bought .125 and .156 balls one is to small the other to large. Is there an in between. that will work. email me at OS1E@aol.com

Alot of companies sell 9/64" eg http://www.cerbec.com/TechInfo/Availability.asp
Al

lol didn't know ceramics balls cost that much. little over a buck each!.