2Pcs 8mm x 630mm Linear Rod, Coavoo Diameter 8mm Case Hardened Chrome Plated Smooth Linear Motion Rod Shaft Guide Rail - Metric h8 Tolerance L 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 2pcs Diameter 8mm x 640mm chrome linear shaft steel straight smooth sturdy rod bar, Length (0., 31 x 25., 2) Linear Motion Shaft Linear Motion Rod Shaft Guide D 8mm X L 25.2 Inch / 640mm 2Pcs, Hollow Linear Motion Shaft Rod Unlike solid linear shaft rod optical shafts, hollow linear rod can reduce weight and improve bending and torsional resistance, with better strength-to-density ratio and specific stiffness, suitable for CNC, 3D printer, automatic machinery, injection molding machine, engraving machine Tolerance: Metric h7, hardness about HRC 58-60, hardening... 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: 2Pcs 8mm x 640mm Linear Rail Shaft RodsbPlease Note:- We can offer the linear motion rail shaft rod in any length, pls contact us. Chrome Coated Steel Rod 8mm Hardened Shaft 6mm 8mm 10mm Linear Shaft 3d Printer Parts 8mm 100 500mm Long 400mm Guide - 13 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
