Linear Motion Rod, Straight Motion Rods,Carbon Steel Rod Hard Shaft Solid Round Rod Straight Rail Shaft for 3D Printer,DIY, 10mmx150mm Pack of 4 ; 20%OFF · $5000 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 can process the end of the rail as you need, some examples you can see the image 4 Linear Motion Shaft Rod Linear Motion Rod Shaft Guide D 10mm X L 10.24 Inch / 260mm Case Hardened Chrome Plated For 3d Printer Diy Cnc Metric H8 Tolerance 2pcs CNC Linear Rail Shaft About this item Linear rail set kit includes 4pcs 10mm 10.24 inch / 260mm chrome plated linear shaft rod 8Pcs fixed shaft support SK10 8Pcs pillar block bearings SCS10UU Linear motion bearing kit are made of carbon steel, linear Bearings made of GCr15 bearing steel with aluminum alloy housing. The case hardness could be reach to 58-64 HRC Please let us know if you require this. 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 10mm x 260mm Linear Rail Shaft RodsbPlease Note:- We can offer the linear motion rail shaft rod in any length, pls contact us. 4Pcs 10mm x 260mm Linear Rod, Coavoo Diameter 10mm Case Hardened Chrome 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