Aluminum Extrusion Profile 20mm Linear Rail 800mm Long 31 Inch Rail Length With 20mm Shaft Diameter High Precision Guide Rail For Smooth Movement And Rigid Accurate Linear Motion In CNC Machines And Automation

Premium 31in 20mm Aluminum Linear Rail, 800mm Length
✔️ 800mm long rail, 20mm shaft diameter, 1x extrusion rail

This 31-inch aluminum extrusion rail provides a smooth, precise linear motion solution for CNC machines, 3D printers, automation frames, and lightweight production lines. It features a 20mm diameter shaft and a sturdy 800mm long rail designed for reliable, steady travel in standard 2020 profiles.

✅ Rail length: 800mm (31.50")
✅ Shaft diameter: 20mm (0.79")
✅ Profile: 2020 aluminum extrusion, 20x20mm cross-section; forms a linear slide unit
✅ Quantity: 1 rail
✅ Smooth running with stiffness and accuracy for reliable motion

💡 What is a linear rail used for in small automation setups?

- Handy motion guide for precise movement in 20x20mm extrusion frames
- Improves repeatability and smoothness in CNC and automation projects
- Compatible with standard carriages and accessories for easy upgrades