Two Pack 400mm 4040 T Slot Aluminum Extrusion Black Anodized European Standard For DIY Three Dimensional Printer And CNC Machines Built Tough With High Precision 6063T5 Aluminum Profile

Two-Pack 400mm 4040 T-Slot Aluminum Extrusion, Black
✔️ 2x pieces, 400 mm length, 40x40 mm profile, black anodized

These rugged 4040 T-slot aluminum extrusion profiles are built for DIY CNC machines, 3D printers, workbenches, and display rigs. Each 400mm piece features a black anodized finish for corrosion resistance and smooth assembly.

✅ Material: 6063-T5 aluminum with black anodized finish
✅ Profile size: 40x40 mm (1.57 x 1.57 in) cross-section and 400 mm length
✅ Finish and packaging: matte anodized, protective film on surface
✅ Compatibility: accepts M8 T-nuts, 4040 connectors, pulleys, and brackets
✅ Pack contents: 2 pieces per pack

💡 What is a 4040 T-slot aluminum extrusion used for in DIY CNC and 3D printer frame builds?
This handy profile is used to create rigid, modular frames and enclosures, enabling clean, adjustable setups.
- precise 40x40 mm cross-section for square, steady frames
- compatible with M8 T-nuts and 4040 connectors for quick assemblies
- supports gantries, linear rails, and enclosure sides for neat machines
- ideal for DIY hobbyists and small shop projects