Linear Motion Rods 8mm x 800mm 2Pcs, Diameter 8mm Case Hardened Chrome Plated Smooth Linear Motion Rod Shaft Guide Rail - Metric h8 Tolerance L: 31.5 inch /800mm for 3D Printer, CNC, DIY L:31.5 inch / 800mm 2Pcs 8mm auspowers_batchfour Diameter of Screw: 6mm/0

Diameter of Screw: 6mm/0

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Linear Motion Rods 8mm x 800mm 2Pcs, Diameter 8mm Case Hardened Chrome Plated Smooth Linear Motion Rod Shaft Guide Rail - Metric h8 Tolerance L: 31.5 inch /800mm for 3D Printer, CNC, DIY L:31.5 inch / 800mm 2Pcs 8mm auspowers_batchfour Diameter of Screw: 6mm/0Linear Motion Rods 8mm x 800mm 2Pcs, Diameter 8mm Case Hardened Chrome Plated Smooth Linear Motion Rod Shaft Guide Rail Metric h8 Tolerance L: 31. 5 inch 800mm for 3D Printer, CNC, DIY Specifications: Brand: Coavoo 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 5? m 100mm Surface Chrome Thickness: 15um 20um Surface Finish Quality: Ra 0. 8 Color: