Linear Motion Rod Shaft Guide D 20mm x L 39.37 inch / 1000mm Case Hardened Chrome Plated for 3D Printer, DIY, CNC - Metric h8 Tolerance, 2Pcs

Specifications: Brand: MssoommMaterial: 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 item includes:2pcs 20mm x 1000mm Linear Rail Shaft RodLead Time: If this item is not FBA, the lead time is 7-10 Business Days except for for Chinese National Day holiday and Spring FestivalPlease Note: - We can offer the linear motion rail shaft rod in any length, pls contact us.- We can process the end of the rail as you need, some examples you can see the image 4

• Tolerance: Metric h8, hardness about HRC58-64, hardening depth: 0.8-2.5mm, straightness≤ 0.1/1000mm, chrome thickness: 0.015mm-0.02mm, roundness: no more than 3μm
• Adapting C45 high quality steel, high frequency quenching, surface chromium plating(15um-20um). The case hardness could be reach to 58-64 HRC. Durable and corrosion-resistant.
• Widely applied in CNC, 3D printer, automatic machinery, injection molding machine, engraving machine, etc. especially in bearing purpose
• Humanization Design:Chamfer on both ends, easier to install linear bearings and won't hurt fingers when installing it
• We can customize the linear rail, including the length and end processing, please tell us if you need. We provide full range of different diameter of the linear rail shaft rod: 5, 6, 8, 10, 12, 13, 14, 16, 20, 25, 30, 35, 40, 50mm and so on.