... and precise instrument, especially for CNC machine. Ball Screw/ Lead Screw :Description of Model Code :SFUR02505B2DFC71000P0S F U R 025 ... stroke length, torque, positioning accuracy, repeat positioning accuracy, shiffness, lead length, hole diameter of screw cap and so on.As ... a professional manufacture, we also design the ball screw/lead screw according to customers specific requirement. And you are ...