Four Pack 4080 Aluminum Extrusion Corner Brackets, Inside Triangle Connectors For 4080 Profiles With Slot, Matte Silver Finish For Heavy Duty Frame Joints

Four Pack 4080 Aluminum Corner Brackets for 4080 Profiles
✔️ 4-piece inside triangle corners for 4080 profiles, matte silver

These inside triangle corner brackets join 4080 aluminum extrusion profiles to form strong, square joints. They’re commonly used to build industrial frames, 3D printers, CNC routers, laser cutters, and robotics enclosures with a clean, professional look.

✅ 4-pack of die-cast aluminum corner brackets for 4080 profiles with slot 8.5 mm
✅ Matte silver finish for a clean, professional look
✅ Fits 4080 series extrusion with 0.33" slot (8.5 mm)
✅ Each bracket measures 78x78x39 mm (3.07x3.07x1.53 in) and weighs ~74 g
✅ Ideal for industrial frames, 3D printers, CNC routers, and robotics projects

💡 What is a common use for corner brackets in aluminum extrusion frames? This handy connector keeps frames square and sturdy across a wide range of builds. - Handy for creating rigid frames for 3D printers, CNC machines, and robotics - Aligns with 4080 profiles that have an 8.5 mm slot for solid joints - Made from rust-resistant aluminum alloy for long service life - Easy to install with standard hardware and minimal tools