Linear Shaft, Ball Screw, Linear Guide Rail manufacturer / supplier in China, offering H7 G6 Diameter Tolerance Hard Chrome Plated S45c Carbon Steel Suj2 Bearing Steel Round Soild Bar Linear Piston Rod Shaft, Hgr15 Hgr20 Linear Guideway and Slide Sliding Slider Block Replace Taiwan Hiwin CNC Linear Motion Guide Rail with Dust Cover for CNC Machine, Ground C3 C5 C7 Precision Smallest Small 6mm 8mm Sfh Sfk 0601 0801 0802 0805 0808 Right and Left Hand Thread Miniature Mini Steel Lead Ball Screw for 3D Printer and so on.