40 Series 8020 Modular Extrusion with six open t-slots to accommodate 40 millimeter x 40 millimeter based joining plates, brackets, and accessories. High strength 6063-T6 aluminum with an anodized finish offers great flexibility and strength for your linear rail, track saw guide, linear motion guide, and many more applications. With superior quality control, you know you are getting the best t slot aluminum extrusions when you order 8020 aluminum extrusion. Deburred ends, clean cuts, and tight cut tolerances are guaranteed. Great for machine guards, sound enclosures, work benches, panel mount racks, displays, 3D CNC framing, 3D Printing framing, or any project that requires a clean, aesthetic look. Applications include automation equipment, professional 3D printer, workbenches, lasers, stands, furniture, machinery, fitness equipment, precision printers, guarding, woodworking and t tracks. 40-4080 is a 40mm x 80mm metric 40 series rectangular T-slot profile with six open T-slots, two on each 80mm face and one on each 40mm face. The profile is smooth, which makes it resistant to dirt and debris buildup while also being easy to clean. The 40-4080 profile is compatible with 40 series fasteners. The center cavity of the profile can be pressurized up to 1.034 N/mm2 (150 psi), lending itself to work spaces, machine guards, displays and panel mount racks. There are other 40-4080 options that inlcude a Lite, Ultra Lite, Clear and Black Anodize versions.