We can customise the linear rail, including the length and finishing. Chrome Plated Steel Rod 20mm X 300mm Linear Motion Rod Shaft - Chrome Plated Steel, High Precision, For 3D Printer & CNC Linear Motion Rod Shaft 20mm X 300mm Brand: CoavooMaterial: High Quality Carbon Steel (C45#)Hardness: 58-64 HRCSurface Hard-thickness: 0., 8 – 2., 5mmSurface Roughness: 0., 8S – 1., 6SStraightness: Below 5μm/100mmSurface Chrome Thickness: 15um-20umSurface Finish Quality: Ra 0., 8Color: SilverThis package includes: 1pcs 20mm x 1560mm Linear Rail Shaft RodsbPlease Note:- We can offer the linear motion rail shaft rod in any length, pls contact us. We offer a full range of different diameters of linear rail shaft bars: 5, 6, 8, 10, 12, 13, 14, 16, 20, 25, 30, 35, 40, 50 mm and so on 10Pcs Diameter 20mm chrome linear motion rod shaft steel smooth rod L: 61.42 inch / 1560mm We could provide all the customization: any length, threading, and other end processing, you could get some information from pic 2, if you have needs, please message us, thank you Adapting 45 high quality steel, high frequency quenching, surface chromium plating (15um-20um). The case hardness could be... Humanization Design: Chamfer on both ends, easier to install linear bearings and won't hurt fingers when installing it Chrome Plated Steel Rod 1560mm Coavoo Linear Rod Shaft 4Pcs 20mm X 1560mm, Diameter 20mm Case Precision Ground Shaft 20mm Diameter Adapting 45# high quality steel, Good bending resistance, high frequency quenching, surface chromium plating(15um-20um). 1pcs Diameter 20mm x 1560mm chrome linear shaft steel straight smooth sturdy rod bar, Length (0., 79 x 61., 42)
