Therwen L-track Double-Lug Threaded Studs 10-Pack — Zinc-Plated Carbon Steel, 3/8"-24 Thread, 5,500 lb Break

Therwen 10-pack L-track double-lug threaded studs are heavy-duty carbon-steel tie-down fittings designed to create secure attachment points in recessed L-track systems for cargo restraint.

If you move equipment, motorcycles, ATVs, ladders or pallets, reliable anchor points matter. These threaded studs give you robust, repeatable connection points for webbing, hooks and shackles when bolted into compatible L-track channels. Built from zinc-plated carbon steel and sized for common track hardware, the studs balance strength and corrosion resistance for frequent use in trucks, trailers, vans and aircraft seating tracks.

What load ratings and materials should I expect from these studs?

Each stud is manufactured from carbon steel with a zinc-plated finish for surface protection. The parts are rated with a safe working load (SWL) of 2,200 lbs and a tested break strength up to 5,500 lbs, giving a generous safety margin for many cargo-securing applications.

• Material: carbon steel with zinc plating for wear and rust resistance.
• Safe working load: 2,200 lbs per stud under recommended use.
• Break strength: 5,500 lbs maximum before failure.
• Designed for repeated engagement and release in L-track channels.

Will these threaded studs fit my existing L-track system?

These studs are intended to work with most recessed L-track styles, including standard aluminum L-tracks and aviation-style seat tracks. They form a bolt-style attachment point that fits into the slot pattern used by common L-track systems, but they require an L-track channel (not included).

• Compatibility: fits most standard and recessed L-track designs.
• Not universal—verify slot size and spacing on your track before purchase.
• Works well with L-track used in cargo vans, trailers, and aircraft seating.
• Pairs with common tie-down hardware like straps, hooks and shackles.

How do I install and lock a Therwen threaded stud into an L-track?

Installation is straightforward: lift the end clamp, position the double discs into the track slot, slide the stud until it centers between two adjacent slots, then release the clamp to seat and lock the stud. A properly seated stud creates a stable anchor point ready for your tie-down gear.

• Lift clip or end clamp to open the stud assembly for insertion.
• Insert the two lower discs into the track slot and slide to align between slots.
• Release clip to lock the stud; confirm it is fully seated and secure.
• Thread size: 3/8"-24 for attaching bolts, shackles or fittings.

What comes in the package and what are the dimensions?

The set includes ten identical threaded studs so you can outfit multiple anchor points at once. Each stud measures about 40 mm (1.57 inches) long and uses a 3/8"-24 thread, providing a common mounting thread for many tie-down accessories.

• Quantity: 10 studs per package for multi-point anchoring.
• Length: approximately 40 mm (1.57 inches) per stud.
• Thread: 3/8"-24 standard thread size for attachments.
• Ideal for building several fixed tie-down points quickly.

Who is this for? If you regularly transport heavy or bulky items and use recessed L-track in trucks, trailers, cargo vans or aircraft seating rails, these Therwen threaded studs let you create dependable tie-down points quickly. They suit fleet managers, professional movers, outdoor and motorsport enthusiasts, and DIY installers who need strong, repeatable anchor points rated for heavy cargo. Confirm track compatibility and use appropriate straps and hardware for your specific loads.