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The 80/20 INC. 3933 is a zinc-plated steel T-Nut designed for use with 15 Series and 40 Series aluminum extrusion profiles. It seats into the T-slot channel of compatible extrusion profiles to provide a strong, secure threaded connection point for fasteners, brackets, and structural assemblies. At 0.62 inches in overall length and 0.3125 inches wide, this compact hardware component is a standard building block in modular framing systems. Installers and fabricators rely on it for both profile ends and side-slot insertion depending on assembly requirements.
This T-Nut is suited for light industrial, commercial, and custom fabrication applications where modular aluminum extrusion framing is used. It is commonly installed during the assembly of workstations, machine guarding, conveyor frames, and equipment enclosures. The component drops or slides into the T-slot channel and aligns with a mating bolt to lock structural members or accessories in place. It is appropriate for use in both new builds and field modifications to existing 15 Series and 40 Series extrusion structures.
Designed for use with 80/20 INC. 15 Series and 40 Series aluminum extrusion profiles.
Installation is typically performed by fabricators or mechanical technicians assembling modular extrusion systems. Power down any associated equipment before modifying an existing frame structure. The T-Nut slides into the extrusion channel before or after profile cutting, depending on access; end-load insertion requires access to the open profile end. Confirm thread engagement with the mating fastener before applying structural load to the connection.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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