Linear Shaft, Ball Screw, Linear Bearing manufacturer / supplier in China, offering Taiwan Tbi Standard Size C3 C5 C7 40mm Diameter 4005 Guide Lead Steel Ball Screw with Nut for CNC Machine, Precision Rolled Ground Ball Screw (diameter 4mm-100mm) with Sfi Type Round Flanged Ball Nut Sfi3205, Good Selling Sfe/Sfy Series Big Lead CNC Customized 2040 2550 3264 4080 50100 Steel Ball Screw with Nut and so on.