Quote Originally Posted by Bongo View Post
When I asked about c5 screws Fred mentioned 'TBI' ground and TBI C5 Rolled' ballscrws. I'll admit, I have no idea what "TBI" means - anyone?

Ok thanks again guys.
TBI are a Taiwanese manufacturer (Gten are another), from what I've heard they have quite a good reputation, go here:

https://www.tbimotion.com.tw/en/category/index.html

Fred quoted me on some and they seemed to be about 60% more expensive than his normal ones, but it might vary with the type of nut you have.