We have the parts for your ideas!
 ServoCity - Mechanicals & Accessories - Linkages - Ball Linkages 
4-40x3/16

These 4-40 ball linkages are designed to run extremely smooth.  The 3/16” ball moves within the nylon race with very little friction.  Screws onto 4-40 threaded rod.

(Shown on penny for size comparison)

Price:

 $.85

Part:

 10755

Status:

 

Qty:

Copyright 1999-2007 Robotzone. LLC.  - All Rights Reserved
ServoCity is a registered trademark of Robotzone, LLC.