4Pcs 6mm x 300mm Linear Rod, Coavoo Diameter 6mm Case Hardened Chrome Plated Smooth Linear Motion Rod Shaft Guide Rail - Metric h8 Tolerance L: 11.81 inch /300mm

Specifications: 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:4Pcs 6mm x 300mm Linear Rail Shaft RodsPlease 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 2

• 4Pcs Diameter 6mm chrome linear shaft steel smooth rod L: 11.81 inch /300mm
• 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 reach to 58-64 HRC. Durable and corrosion-resistant
• Humanization Design: Chamfer on both ends, easier to install linear bearings and won't hurt fingers when installing it
• Widely applied in CNC, 3D printer, automatic machinery, injection molding machine, engraving machine, etc.