Premium 40x40mm Aluminum Square Profile for Solar Panel Frames & DIY Projects
High-grade 4040GF aluminum extrusion with precision mill finish for superior durability and corrosion resistance. Ideal for solar panel mounting, custom machine frames, and industrial enclosures. Heavy-duty T-slot design allows effortless modular assembly with standard fittings. Anodized surface ensures scratch protection and sleek aesthetics. Perfect for CNC machining, 3D printer builds, and workshop furniture. Ships in bulk quantities with global wholesale pricing for large-scale projects. Cut-to-length customization available. Low MOQ and factory-direct savings. Compatible with leading solar racking systems.