... type: Rolled grade or grounded grade is availableType of Nuts: v SFU, SFT, SFE, DFU, DFI ... etc.Size of screw shaft: 1204, 1205,1605, 1610, 1616, 2005, ... hearted services 6) Flexible minimum order quantity As a professional supplier of rolled ball screw,we can offer SFU,DFU,SFI ... etc various type to fit different requirement of rolled ball screws. Rolled ball screw SFU2005