Threaded rod through ball bearings

[hallk]

Originally Posted by M. Krass

McMaster-Carr doesn't carry studs of convenient length, so I was resigned to assigning some poor student to threading steel rod with a die, but if we can cheat a bit and use rod that's threaded along its whole length, that'll save me from the dishonor of assigning more kids to sweatshop duty.

If you can't find the right length at McMaster, you might want to try calling your local Ace hardware stores. Numerous times they have had odd ball size/ threads. But it won't be listed online, you will need to call local stores.