12mm X 310mm Case Hardened Chrome Plated Linear Motion Rod Shaft Guide With Chamfered Ends, Carbon Steel Build, Tight Metric H8 Tolerance, Smooth Bearings Fit, Easy Install And Rock Solid Performance

12mm x 310mm Case-Hardened Chrome Plated Linear Rod
✔️ Dia 12mm, length 310mm, tight H8 tolerance, chrome finish

This carbon steel linear rod is a ground-ready guide shaft designed for precise linear motion in CNC, automation, and DIY machinery. Its chrome-plated surface enhances hardness and wear resistance for smooth movement and long life.

✅ Diameter 12 mm; length 310 mm; tolerance -0.005 to -0.03 mm
✅ Material: carbon steel; chrome plated surface
✅ Chamfered ends for easy installation and finger safety
✅ Packing: 1 x 12 mm rod, 310 mm long

💡 What is a handy guide shaft used for in linear motion systems?

These shafts provide precise alignment and smooth travel for machines like CNCs, 3D printers, and automation rigs. - handy for guiding moving components in CNC machines, 3D printers, and automation rigs - supports accurate, repeatable motion with proper bearings - pairs with linear bearings for smooth operation✝️