4 Pack 4040 T Slot Aluminum Extrusion 200mm Black Rails For DIY CNC And 3D Printer Frames, High Strength 40x40 Aluminum Profile With Easy Fit T Slot, Great For Robotics, Machine Projects

Premium 4040 T-slot Aluminum Extrusion 200mm Black, 4-Pack
✔️ 40x40 anodized T-slot extrusion, 200mm length, 4-piece pack

This 4-pack features 4040 T-slot aluminum extrusion profiles for DIY CNC machines and 3D printer frames. Each piece is 200mm long with a black anodized finish and easy-fit T-slot channels, suitable for robotics, machine projects, and modular enclosures.

✅ 4x 4040 T-slot aluminum extrusion, 200mm each
✅ 40x40 mm cross-section with black anodized finish
✅ European standard high-strength aluminum alloy for rigid framing
✅ Protective film to prevent scratches during handling

💡 What is a 4040 aluminum extrusion used for in CNC and 3D printer builds?

Handy framing for sturdy, modular DIY projects. - 4040 profiles form rigid frames for DIY CNC machines and 3D printers - T-slot channels enable easy mounting of brackets, panels, and accessories - Compatible with standard nuts, bolts, and linear rails for upgrades - Anodized finish adds corrosion resistance for longer service life ✝️