When you’re towing valuable cargo—whether it’s a boat, camper, ATV, or work trailer—security matters just as much as strength. The Curt 5/8" Hitch Lock with a classic barbell design is the dependable solution to keep your ball mount or hitch-mounted accessory locked in place. Unlike a standard hitch pin that only holds equipment securely during travel, this lock adds a critical layer of theft deterrence, giving you peace of mind every time you hit the road.
Built with a durable chrome-plated finish, this hitch lock resists corrosion, rust, and wear, ensuring long-lasting performance in all weather conditions. The barbell-style mechanism is simple yet effective, with a smooth 1/4-turn key operation that makes locking and unlocking quick and hassle-free. Designed with a universal 5/8" pin diameter, it fits both 2" and 2-1/2" receiver tubes, making it a versatile choice for a wide range of towing setups.
To protect the lock’s internal components, a watertight dust cap shields the keyway from dirt, moisture, and road grime, helping to prevent corrosion and extend the life of the lock. With two included keys, you’ll always have a backup handy. When paired with a CURT trailer coupler lock, you get maximum protection at both ends of your towing connection—vehicle and trailer—ensuring your cargo stays safe wherever your journey takes you.
Key Features
- Universal Fit – 5/8" diameter pin works with 2" and 2-1/2" receiver tubes.
- Barbell Design – Secure, round locking mechanism provides strength and ease of use.
- Chrome-Plated Durability – Rust- and corrosion-resistant for long-term performance.
- Quick & Easy Operation – 1/4-turn key lock with watertight dust cap for reliable protection.
Additional Benefits
- Includes two keys for convenience and peace of mind.
- Backed by a limited lifetime warranty (one year on finish and parts).
- Works seamlessly with CURT ball mounts, cargo carriers, and other towing accessories.
- Provides an effective theft deterrent for trailers, campers, and recreational equipment.
Terms to Know
- Receiver Tube – The square opening on your vehicle’s hitch where accessories like ball mounts or carriers are installed.
- Barbell Hitch Lock – A lock design that uses a pin with two end caps and a central locking cylinder for secure attachment.
- 1/4-Turn Lock Activation – A locking mechanism that requires just a quarter turn of the key for fast, secure engagement.
- Chrome-Plated Finish – A protective, polished metal coating that resists corrosion while providing a sleek look.
The Curt 5/8" Hitch Lock (2" or 2-1/2" Receiver – Barbell – Chrome) combines durability, ease of use, and reliable theft protection in one compact design. Whether you’re hauling gear for work or adventure, this hitch lock ensures your towing setup stays secure and protected—so you can focus on the road ahead. For even greater peace of mind, pair it with a CURT coupler lock to safeguard your trailer from end to end.