4 Piece Black 3 Way End Corner Bracket Connector With Screws For 8mm T Slot Aluminum Extrusion Profile 4040 Series For DIY Frames And Machinery Builds

4-Piece Black 3-Way Corner Brackets for 8mm 4040 Profiles
✔️ 4pcs zinc alloy, 3‑way corners for 8mm T-slot 4040 profiles

This 4‑piece black zinc‑alloy 3‑way end corner bracket set is designed for 8mm T-slot aluminum extrusion profiles in the 4040 series. It’s ideal for DIY frame builds, machine enclosures, and robotics projects, offering solid joints and quick assembly with included screws and an Allen key.

✅ Material: zinc alloy with high hardness and rust resistance
✅ Fits 8mm T-slot 4040 aluminum profiles
✅ Size per bracket: 73.5x73.5x43.5 mm (2.9x2.9x1.7 in)
✅ Package includes: 4 brackets, 32 screws, 1 Allen key
✅ Installation: insert into butt joint and tighten with set screws
✅ Applications: 3D printers, CNC routers, robotics frames, guards

💡 What is a 3-Way Corner Bracket used for in aluminum extrusion builds?

These handy connectors help you quickly assemble rigid, right-angle frames from 8mm T-slot profiles. - handy for building DIY CNCs, 3D printers, and machine guards
- compatible with 8mm T-slot profiles in the 4040 series (73.5 mm joint spans)
- install by inserting into the butt joint and tightening the included screws with the Allen key
- keeps frames square and aligned for precise assemblies