Quote Originally Posted by richie00boy View Post
Thanks guys, this is the sort of info I was after. The current leadscrews are 16mm and mount into what I would say is a normal ballrace.
Rich, Are you sure they are leadscrew and not ballscrews.? Asked before in other thread but if you can post better pictures of both the screw and nut it's easy to tell.
One clue if it's a ballscrew is to look on the top of each thread and you will see C shaped grove.