... industrial equipment and precise instrument, especially for CNC machine. Ball Screw/ Lead Screw :Description of Model Code :SFUR02505B2DFC71000P0S F U R 025 ... G: Grinding10 Precision Grade of Lead: C0,C1,C2,C3,C5,C7, The Highest Grade is C011 Shaft length of Screw12 ... .As a professional manufacture, we also design the ball screw/lead screw according to customers specific requirement. And you are assured ...