... -lead ball screw to be with characteristies of high rigidity, low noise and thermal control ... ball screw for years. We can supply full range of SFU, DFU,SFE,DFE,SFT, DFT,SFI ... loop,great load and great lead series ball screws. We can offer the products with high ... of ball screw. The significance of this development is to move into a rolling bearing from sliding action. With little friction, ball screws ...