Quote Originally Posted by John S View Post
One thing to remember with fine pitched ballscrews is they have a shorter life than courser pitched ones due to less ball being in contact with the screw and nut.
Hi John,
I am not too wory about the life time... I only use my mill once or twice a week...
If I replace the ballscrews with new ones, they will last a life time for me. :-)

But thank you for the info!

Laurent