Ball Screw Nut FDUR8010 (FSI FDI FSU FDU SFE) Ball screw best price good quality fast delivery Ball screw we supply a full range of high performance, cost effective, precision for all application ball screw nut, ball screw(ballscrew): we supply Ball Screws at a full range of high performance, cost effective, and precision for all applications.(FSI and FDI): 1605-4,1610-3,2005-4,205T-4,2505-4,3205-4,3210-4,4005-4,4010-4,5010-4,6310-4,8010-4 specification list ( ) 1605-4