... , especially for CNC machine. Ball Screw/ Lead Screw :Description of Model Code :SFUR02505B2DFC71000P0S F U R 025 05 B2 D F ... :Ball Screw Model SFT, Model DFT, Model SFE,Model SFM / DFM, Model SFK,Ball Screw Model BSH, Model XSVR01210, Model XSVR01510 , Model XSVR01520 ,Ball Screw Model XSVR02010 , Model XSVR02020Technical Specification:Please ...