31.5 Inch 2020 Aluminum Extrusion T Slot Rail European Standard Anodized Black Linear Rail For 3D Printer Laser Engraving Machine CNC Workbench DIY Projects Maker Friendly

31.5in Aluminum T-slot Rail with Anodized Black Finish
✔️ 4 pcs, 800mm (31.5"), 20x20 mm (0.79x0.79 in) rail (linear slide)

Introducing our European standard T-slot aluminum extrusion kit, a 4-pack of 800mm long rails with anodized black finish. These 20x20 mm profiles are ideal for CNC frames, 3D printers, laser engravers, and DIY worktables.

✅ 4 pcs 800mm (31.5"), 20x20 mm (0.79x0.79 in) cross-section European standard T-slot extrusion
✅ Anodized black finish provides durable, corrosion resistance
✅ Precision extruded 6063 aluminum for strength and dimensional accuracy
✅ Compatible with standard 20x20 mm hardware and accessories
✅ Easy install without welding; connects brackets, panels, and rails
✅ Suitable for CNC frames, 3D printers, laser engravers, DIY workstations

💡 What is a 20x20 mm T-slot aluminum extrusion used for in DIY CNC and maker builds?

It's a handy backbone for frames, enclosures, and modular structures.

- Provides modular mounting for brackets, panels, and hardware
- Enables lightweight yet rigid frames with repeatable dimensions
- Easily reconfigured without welding or special tools
- Works with standard 20x20 mm hardware and accessories