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. Specifications:
Brand: Mssoomm
Material: High Quality Carbon Steel (C45#)
Hardness: 58-64 HRC
Surface Hard-thickness: 0.8 – 2.5mm
Surface Roughness: 0.8S – 1.6S
Straightness: Below 5μm/100mm
Surface Chrome Thickness: 15um-20um
Surface Finish Quality: Ra 0.8
Color: Silver
This item includes:
2pcs 5mm x 1000mm Linear Rail Shaft Rod
Lead Time: If this item is not FBA, the lead time is 7-10 Business Days except for for Chinese National Day holiday and Spring Festival

Please 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