Ball Screw suppliers Product introduction: SFE high lead ball Ballscrew SFE high lead ball Ballscrew is a screw transmission element with steel balls as rolling elements between the screw and the nut. It converts rotational motion to linear motion, or linear motion to rotational motion. Therefore, the ball screw pair is not only a transmission element, but also a mutual conversion element of linear motion and rotary motion, and has two modes of internal and external circulation, which is relatively very useful. http://www.hltcnc.com/ball-screw/