RXTNC Ball Screw Package SFU1204 SFU1605 SFU1610 2005 L300-1500mm with Single Nut+BF12+DSG16H+Coupling+HM12-57 Motor Mount For CNC Product record: 1PCS SFU2505 Ball screw with nut(Size:550-1000mm) 1PCS HM20-86 Motor block 1PCS DSG25H Nut seat 1PCS BF20 help seat 1PCS Coupling D40mm*L65mm-14mm*17mm(Default 14*17 aperture, when youwantdifferent aperture, please contact us!) 1PCS M20*1 Lock nut