Prevent theft and secure your utility trailers, cargo van doors, and storage units with a high-strength forged aluminum-magnesium alloy puck lock, featuring a corrosion-resistant anodized finish and a hidden shackle design.
High-Strength Forged Aluminum-Magnesium Alloy
Maximum Anti-Cut Hidden Shackle Design
Weatherproof Anodized Surface Treatment
High-Security Anti-Pick Brass Core
• Product: Heavy-Duty Aluminum Puck Lock
• Material: Forged Aluminum-Magnesium Alloy Body
• Application: Utility Trailers, Cargo Van Doors, Storage Units & Rolling Gates
• Lock Type: Hidden Shackle Puck Lock
• Surface Finish: Weatherproof Anodized Finish
• OEM Available: Custom Laser Logo, Anodized Colors & Packaging
• MOQ: Supports Bulk Orders & Wholesale
• Packaging: Secure Box / Polybag / Carton (Customized Available)
Engineered for maximum security, this heavy-duty puck lock features a robust forged aluminum-magnesium alloy body combined with a hidden shackle design to resist bolt cutters and prying. Protected by a durable anodized surface treatment, it withstands extreme weather conditions without corrosion. Equipped with a high-security anti-pick brass core, it provides reliable protection for commercial trucks, utility trailers, and storage facilities. Backed by full OEM/ODM factory support for custom branding and finishes.
Model: RY-TL07
Material: Forged Aluminum-Magnesium Alloy
Surface Finish: Anodized Treatment (Red / Custom)
Dimensions: Dia. 71mm × H 40mm
Weight: 430g
Design: Hidden Shackle Anti-Theft Structure
Lock Core: High-Security Anti-Pick Brass Core
Keying: 3 Brass Keys Included (Keyed Different / Alike)
Forged Aluminum-Magnesium Alloy
Engineered with a high-strength forged aluminum-magnesium alloy body, delivering exceptional durability and lightweight structural performance far superior to standard zinc alloy.
Security Hidden Shackle
Features an anti-theft hidden shackle design that effectively shields the shackle from bolt cutters, prying tools, and heavy attacks.
Weatherproof Anodized Finish
Protected by a premium red anodized surface treatment, ensuring superior corrosion resistance and long-lasting performance in harsh outdoor environments.

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 PUCK LOCK | Hitch Lock |
|---|---|---|
| Prevents Uncoupling | ✔ Yes | ❌ No |
| Secures Trailer Latch | ✔ Yes | ❌ No |
| Best For | Heavy-Duty Trailer Coupler Security & Asset Protection | Securing Hitch Receiver to Vehicle |
| Installation Location | Coupler Lock Box / Hasps | Trailer Hitch Receiver Tube |
Ensure your trailer is equipped with a compatible heavy-duty coupler lock box or security hasp.
Verify that your housing provides enough internal clearance for a standard 71mm disc lock.
Check the alignment of the locking holes to ensure the concealed shackle fits smoothly.
Available in standard anodized Red, Silver, Black, Blue, and Orange. Custom corporate colors and finishes available upon request.
Yes, this heavy-duty puck lock features a standard 71mm diameter disc design tailored to fit standard trailer coupler lock boxes and security hasps. Please ensure your trailer housing provides enough internal clearance before purchasing.
It is constructed from solid, high-strength forged aluminum-magnesium alloy, weighing a solid 430g. The hidden shackle design effectively prevents bolt cutter attacks and tampering.
Yes, each unit features a durable anodized finish for superior corrosion and weather resistance outdoors. Standard finishes include Red, Silver, Black, Blue, and Orange, with custom corporate colors available upon request.
We offer flexible keying options for fleet and wholesale buyers. Orders can be custom-configured as Keyed Alike (all locks open with one key) or Keyed Different with high-security precision cylinders.
Yes, we offer full OEM/ODM services, including laser logo engraving and custom packaging. Please contact our team to discuss specific Minimum Order Quantities (MOQ) for your wholesale or bulk requirements.
✅ 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