4 Piece 16 Inch 2040 Aluminum Extrusion Set Aluminum Profile Linear Rail Black Anodized For 3D Printer CNC DIY Laser Engraving Machine Heavy Duty Frame Kit
✔️ 4 x 400mm (15.75in) black anodized 2040 extrusions for 20mm slots
Durable and long-lasting 2040 aluminum extrusion rails, built from 6063 aluminum with a black anodized finish, designed for use in DIY frames for 3D printers, CNC machines, laser engravers, and automation setups.
✅ Length per piece: 400 mm (15.75 in); total kit length: 1600 mm (63 in) if assembled
✅ Cross-section: 20 mm x 40 mm (0.79 in x 1.57 in) for stiff framing
✅ Material and finish: 6063 aluminum with black anodized coating for durability
✅ Fits 20 series fasteners and M3/M4/M5 T-slot nuts; compatible with various accessories
💡 What is a 2040 aluminum extrusion rail used for in DIY projects? This handy overview explains typical uses and benefits. - Provides a strong, modular framework for DIY printers, CNCs, and laser engravers - Works with 20 series fasteners and M3/M4/M5 T-slot nuts for flexible mounting - The 20x40 profile delivers rigidity without adding bulk - 400mm segments let you assemble longer frames by joining pieces