Description
Product Overview
GDW’s cargo trailer door hasp set is engineered for owners who demand a secure, long‑lasting solution for their trailer doors. The set includes two robust hasps, each measuring 1‑1/4″ wide by 5‑5/8″ tall, with pre‑drilled 5/16″ holes that align perfectly with standard bar lock systems. Every component is zinc plated, providing a corrosion‑resistant barrier that stands up to rain, snow, and salty road conditions, ensuring the hardware remains functional season after season.
Each hasp is paired with four 5/16″ x 2″ carriage bolts and four matching nuts, delivering a complete installation package that eliminates the need for additional purchases. The bolts feature a dome head design that distributes load evenly across the mounting surface, reducing stress on the trailer frame and extending the lifespan of the lock assembly. The nuts are engineered to thread securely into cam nuts, creating a tight, tamper‑resistant connection that resists loosening from vibration.
The package dimensions of 6.18 x 4.17 x 1.65 inches make storage and handling straightforward, while the total weight of 1.39 pounds keeps the kit lightweight for easy transport. GDW’s commitment to quality is reflected in the precise machining of each part, delivering consistent fit and finish across every unit. This attention to detail translates into a hassle‑free installation experience, even for users with limited mechanical background.
Designed for versatility, the hasp set works seamlessly with a variety of trailer types, including cargo, utility, toy hauler, and motorcycle trailers. Whether you are upgrading an existing lock or outfitting a new trailer, the GDW hasp set integrates smoothly with existing bar lock hardware, providing a reliable barrier against unauthorized entry. The zinc‑plated finish not only offers rust resistance but also adds a subtle, professional aesthetic that complements the rugged look of most trailers.
GDW’s product has earned a solid reputation among trailer owners, reflected in a 4.5‑star rating from 77 verified customer reviews. Ranked #20 in the Hardware Hasps category on major retail platforms, the set demonstrates both popularity and trustworthiness. The combination of durable materials, precise engineering, and comprehensive hardware makes this hasp set a top choice for anyone seeking dependable trailer security.
![[Product front view showing all components]](https://www.genvixa.store/wp-content/uploads/2026/08/a31b4d6d28f3441a9572b0535041e8ee.jpg)
Usage
When installing the GDW hasp set, begin by aligning the hasp holes with the existing bar lock on your trailer door. Insert the carriage bolts from the backside of the door, threading them through the pre‑drilled holes. Secure each bolt with the supplied nuts, tightening them until a firm, snug fit is achieved. This process typically takes less than 15 minutes, allowing you to return to the road quickly.
The hasp set is ideal for a range of environments, from daily commuting to long‑haul journeys across varied climates. Its zinc‑plated construction ensures that exposure to moisture, road salt, and temperature fluctuations does not compromise performance. Whether you are transporting valuable equipment, livestock, or personal belongings, the GDW hasp provides a reliable lock point that deters theft and unauthorized access.
For owners who frequently travel in remote or off‑road locations, the robust design of the GDW hasp offers peace of mind. The sturdy barrel nut and dome‑head bolt configuration resist tampering and maintain alignment even under the stress of uneven terrain. This makes the set especially suitable for adventure‑oriented trailers that encounter rugged conditions.
Maintenance is straightforward: periodically inspect the bolts and nuts for tightness, and clean the zinc surface with a mild detergent if buildup occurs. The corrosion‑resistant coating minimizes the need for frequent re‑application of protective sprays, reducing long‑term upkeep costs. Users have reported that the hasp set remains functional and visually clean after years of service.
Why Choose Us
GDW stands out in the trailer hardware market by delivering products that combine durability with ease of installation. The zinc‑plated finish is not merely decorative; it is a functional barrier that protects against rust, extending the service life of the hasp and associated hardware. This protective layer reduces the likelihood of corrosion‑related failures, a common issue with lower‑quality alternatives.
Our commitment to comprehensive packaging means you receive everything needed for a complete installation—no extra parts, no additional trips to the hardware store. The inclusion of four bolts and four nuts ensures that each hasp can be securely mounted, providing redundancy and flexibility for various mounting configurations. This all‑in‑one approach simplifies the purchasing decision and enhances overall value.
Quality assurance is integral to GDW’s manufacturing process. Each component undergoes rigorous testing for tensile strength, corrosion resistance, and dimensional accuracy. This meticulous quality control guarantees that every hasp set meets or exceeds industry standards, giving you confidence in the product’s performance under demanding conditions.
Customer support is a cornerstone of the GDW experience. Should you encounter any issues during installation or have questions about compatibility, our dedicated support team is available to provide prompt, knowledgeable assistance. We also offer a straightforward warranty that covers manufacturing defects, reinforcing our confidence in the product’s longevity.
Key Features
- Zinc‑plated finish resists rust and corrosion for long‑term durability.
- Complete kit includes two hasps, four 5/16″ carriage bolts, and four matching nuts.
- Designed for standard bar lock systems, ensuring universal compatibility.
- Robust dome‑head bolts distribute load evenly, reducing stress on trailer frames.
- GDW provides responsive customer support and a warranty for peace of mind.
FAQ
What size bolts are included in the kit?
The kit contains four 5/16″ x 2″ carriage bolts, which are sized to fit the pre‑drilled 5/16″ holes on the hasp and align with standard bar lock hardware.
Can the hasp be installed on any trailer door?
Yes, the hasp is compatible with most cargo, utility, toy hauler, and motorcycle trailers that use a standard bar lock system. It is designed to fit doors with a 1‑1/4″ width and 5‑5/8″ height mounting area.
Is the zinc plating sufficient for coastal environments?
The zinc‑plated coating provides excellent corrosion resistance, making it suitable for coastal areas where exposure to saltwater spray is common. Regular cleaning will further extend its lifespan.
Do I need additional tools to install the hasp set?
Installation requires basic hand tools such as a wrench or socket set to tighten the nuts. No specialized equipment is necessary, and the included hardware is ready to use out of the box.
What warranty does GDW offer on this product?
GDW offers a limited warranty that covers manufacturing defects for a period of one year from the date of purchase. Contact our support team for assistance if any issues arise.




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