... C3,C5,C7,C10 standards,Fast delivery on many models. Ball screws Ballscrews are critical components in machine tools and production machinery ... .we supply Ball Screws nuts at a full range of high performance, cost effective ... grounded grade is availableType of Nuts: SFU, SFT, SFE, DFU, DFI etc.Size of screw shaft: 1204, 1205,1605, 1610, 1616 ...