... and production machinery.Features of ball screw and support nuts:Long operating life, High lead accuracy to ... : SFU, SFT, SFE, DFU, DFI etc.Size of screw shaft: 1204, 1205,1605, 1610, 1616, 2005, 2010, 2040 ... : SFU, SFT, SFE, DFU, DFI etc.Size of screw shaft: 1204, 1205,1605, 1610, 1616, 2005, 2010, 2040 ... : SFU, SFT, SFE, DFU, DFI etc.Size of screw shaft: 1204, 1205,1605, 1610, 1616, 2005, 2010, 2040 ...