... equipment and precise instrument, especially for CNC machine. Ball Screw/ Lead Screw :Description of Model Code :SFUR02505B2DFC71000P0S F U R ... Holes or 4 holes with hole angle of 60 E: Screw with long lead K: Micro/Small Screw T: External circulation and ... , positioning accuracy, repeat positioning accuracy, shiffness, lead length, hole diameter of screw cap and so on.As a professional manufacture, we ...