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- fangbo@133@gmail.com; brianfang@ry-casting.com
Prevent uncoupling and deter theft of your trailer with a heavy-duty coupler latch lock, featuring a high-strength steel 1/4″ pin and a premium zinc alloy body.
• Product: Universal Trailer Coupler Latch Lock
• Material: Zinc Alloy Body + Heavy-Duty Steel Pin
• Application: RV, Boat, Utility & Cargo Trailer Latches
• Lock Type: Coupler Latch Lock / Hitch Pin Lock
• Surface Finish: Black E-Coating / Matte Powder Coated / Gold Plated
• OEM Available: Custom Finishes, Logo Integration & Tooling Support
• MOQ: Supports Bulk Orders & Wholesale
• Packaging: Sealed PP Polybag / Carton / Pallet (Custom Packaging Available)
• Design: Universal 1/4″ pin design, perfectly engineered to secure standard trailer coupler latches.
• Material: Premium die-cast zinc alloy body combined with a high-strength steel pin for durability.
• Mechanism: Heavy-duty threaded screw-in mechanism that requires 6-7 turns for a maximum-security lockup.
• Operation: Easily lock or unlock by rotating the key to drive the precision threads; prevents accidental pop-opens.
• Application: Weatherproof and heavy-duty, ideal for protecting RVs, boats, and utility trailers from unauthorized uncoupling.
• OEM/ODM: Full factory support for custom surface finishes, private branding, and tailored packaging.
• Model: RY-L01
• Material: Premium Zinc Alloy Body + Carbon Steel Pin
• Surface Finish: Black E-Coating / Matte Powder Coated / Gold Plated
• Weight: 163g
• Dimensions: 46mm x 45mm (Standard Body Size)
• Pin Diameter: 1/4″ (6.3mm)
• Effective Length (Span): 20mm (Approx. 13/16″)
• Locking Mechanism: Threaded Screw-In (6-7 Turns)
• Keys Included: 2 Keys
• Application: RV, Boat, Utility & Cargo Trailer Latches
• OEM/ODM: Fully Supported (Custom Finish, Logo & Packaging)
Durable Zinc Alloy & Steel Build
Engineered with a premium die-cast zinc alloy body and a high-strength carbon steel pin, built for long-term outdoor use with excellent weather resistance.
Threaded Anti-Vibration Lock
Features a precision threaded screw-in mechanism (6-7 turns) that ensures a rock-solid hold, preventing any accidental pop-opens caused by towing vibrations.
Universal 1/4″ Pin & 20mm Span
The standard 1/4″ (6.3mm) pin diameter with a 20mm effective length ensures maximum compatibility, fitting most standard trailer coupler latches perfectly.
Perfect for protecting travel trailers, campers, and motorhomes during road trips.
Designed to secure standard boat trailer couplers against harsh marine environment.
Excellent for safeguarding enclosed cargo trailers, mobile towings, and transports.
Excellent for safeguarding enclosed cargo trailers, mobile towings, and transports.
| Feature | COUPLER LATCH LOCK | Hitch Lock |
|---|---|---|
| Prevents Uncoupling | ✔ Yes | ❌ No |
| Secures Trailer Latch | ✔ Yes | ❌ No |
| Best For | Towing Safety & Short-Term Theft Deterrence | Securing Hitch Receiver to Vehicle |
| Installation Location | Coupler Latch Handle Hole | Trailer Hitch Receiver Tube |
Determine your specific trailer type such as a standard RV, boat, or utility trailer.
Check your coupler latch hole diameter carefully to ensure it accepts a 1/4" pin.
Confirm the latch handle width fits within the lock's standard 20mm effective length limit.
Choose the ideal finish option like matte coating or gold plating for your environment.
Yes. It features a standard 1/4″ (6.35mm) pin diameter and a 20mm (13/16″) effective length, making it a universal fit for most standard trailer coupler latches, boat trailers, and RVs. Please verify your latch hole size and width before ordering.
Absolutely. The lock features a high-grade zinc alloy body and carbon steel pin with advanced surface finish options, including Black E-Coating, Matte Powder Coating, and Imitation Gold Plating, providing superior rust and corrosion protection.
This lock uses a heavy-duty threaded screw-in system rather than a simple push-pin. Inserting and rotating the key 6-7 turns smoothly locks or unlocks the pin. This precision design provides maximum vibration resistance and prevents accidental opening during transit.
Yes, we are a professional factory. We offer full OEM/ODM support, including custom surface finishes, laser-etched logos, and tailored packaging. Our standard bulk packaging uses sealed PP polybags packed into strong export cartons and pallets.
We support bulk orders, wholesale, and supply chains worldwide. The specific MOQ depends on your customization requirements (such as specific surface finishes or branding). Please click “GET A QUOTE” to contact our team for detailed pricing and MOQ solutions.
✅ Custom Logo (Laser / Silk-screen)
✅ Custom Logo (Laser / Silk-screen)
✅ Custom Colors Available
✅ Mold Development Support
✅ Private Label for Distributors
✅ ISO9001 Certified Factory
✅ 20+ Years Die Casting Experience
✅ OEM & ODM Support
✅ Fast Production Lead Time
✅ Competitive Factory Pricing
✅ OEM & ODM Available
✅ Factory Direct Pricing
✅ Fast Delivery
✅ Global Shipping