4 Pack 400mm Black 20x20 Aluminum Extrusion T Slot Profile Kit For 3D Printer Framing And Linear Rail Systems Anodized Alloy With Corner Bracket Setup
✔️ 400mm length, 20x20 cross-section, black anodized finish, 4-pack
This 4-pack includes four 400mm long 20x20 T-slot aluminum extrusions with corner brackets, designed for reliable 3D printer frames and linear-rail builds. Ideal for hobbyists and small shops creating sturdy, modular enclosures and framing systems.
✅ 400mm length per piece, 20x20 cross-section
✅ Black anodized finish, European standard aluminum
✅ Corner brackets included for quick, solid assembly
✅ Protective film to prevent scratches during handling
✅ Pack of 4 pieces for complete framing kit
💡 What is a 2020 aluminum extrusion used for in DIY framing and how does the 20x20 T-slot size impact mounting options?
Handy for quick, modular framing that can anchor rails and accessories.
- Frame projects for 3D printers and small CNC rigs
- Mounting rails for linear guides and gantry systems
- Building enclosures and workstations with standardized 2020 profiles
- Expanding with brackets and compatible accessories