We can customise the linear rail, including the length and finishing. 12mm Strength Hollow Linear Motion Rod Shaft With Linear Bearing For Cnc Machine Z Axis - We can process the end of the rail as you need, some examples you can see the image 4 Please let us know if you require this. 2pcs Diameter 12mm x 1380mm chrome linear shaft steel straight smooth sturdy rod bar, Length (0.47 x 54.33) Adapting 45# high quality steel, Good bending resistance, high frequency quenching, surface chromium plating (15um-20um). The case hardness could be reach to 58-64 HRC. Durable and corrosion-resistant We could provide all the customization: any length, threading, and other end processing, you could get some information from pic 5, if you have needs, please message us Hardened Chrome Plated Shaft Rod Mssoomm Linear Motion Shaft Rod Guide D 12mm X L 13.78 Inch / 350mm 2Pcs, Hollow Rod D 12mm Inner Hole 6mm Smooth Steel Case Hardened Chrome Plated For 3D Printer, DIY C45 Steel Shaft For CNC Humanization Design: Chamfer on both ends, easier to install linear bearings and won't hurt fingers when installing it The case hardness could be reach to 58-64 HRC., Durable and corrosion-resistant
