20 Sets Black 4040 Series Aluminum Extrusion Profile Connector Set, 20pcs Corner Bracket, 1 pcs Hex Wrench,40pcs M8 T-Nuts and M8 Hex Screw Bolt for 40S Aluminum Extrusion Profiles Rail Accessories

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🖤 Build Bold, Build Black — The Ultimate Connector Set for Next-Level DIY Frames

This 20-set Black 4040 Series Aluminum Extrusion Profile Connector Kit includes corner brackets, M8 T-slot nuts, hex bolts, and a hex wrench. Crafted from high-quality zinc alloy with a sleek black powder-coated finish, it offers superior corrosion resistance and durability. Designed for precise, flexible assembly of 40mm aluminum extrusion profiles, it’s ideal for professional-grade 3D printers, CNC routers, and industrial frame constructions.