Two Pack 12mm By 600mm Linear Motion Rods Chrome Plated Case Hardened Shafts For 3D Printers CNC DIY Projects With High Precision H8 Tolerance Ra 0.05 To 0.08 And Straightness Of 0.1 Per 1000mm

Two-Pack 12mm x 600mm Linear Motion Rods, Chrome ✔️ 2Pcs, 12mm x 600mm, chrome plated, HRC55-62, Ra 0.05-0.08

These chrome plated, case-hardened linear motion rods provide precise guidance for moving components in CNC machines, 3D printers, and automation setups. They are built from 45# carbon steel and sized for easy integration with standard bearings and linear guides.

✅ Material: 45# carbon steel
✅ Hardness: HRC55-62
✅ Surface roughness: Ra0.05-0.08
✅ Straightness: ≤0.1/1000mm
✅ Chrome plating thickness: ~0.01mm
✅ Diameter tolerance: -0.01 to -0.03mm
✅ Length tolerance: ±0.1mm
✅ Chamfered ends: C1.0-45°

💡 What is a 12mm by 600mm linear motion rod used for in precision CNC machines and 3D printers?

In short, these rods guide carriages and bearings for accurate, smooth travel.

- Smooth, accurate linear travel for carriages and bearings - Compatible with standard linear guides and bushings - Chrome plating boosts wear resistance and corrosion protection - Tight tolerances support repeatable positioning in tooling✝️