Back Flap Hinges Stainless Steel
Weight Range ： 0.5g–500kg
Dimensional tolerance ： ±0.1mm
Back flap hinges stainless steel offer exceptional durability and high load-bearing capacity. Its wide wing design can effectively disperse stress. The thickness of the board is usually not less than 2.0 mm. This enables a single standard hinge to have a static load capacity of over 25 kg. It can firmly support various door bodies. At the same time, the product is made of high-quality 304 stainless steel. This ensures excellent rust protection. Its standard salt spray test time generally exceeds 96 hours. It handles wet conditions with ease.
In addition, such hinges have a long service life. Its shaft structure has been precisely calculated. It can withstand more than 100,000 standard opening and closing tests and its performance remains reliable. The installation process is also very convenient. It has standardized hole diameter and hole position design. No complex tools required. A single person can usually assemble a pair of hinges in a few minutes. This significantly improves construction efficiency. Whether it is a heavy wooden door or an equipment hatch that needs to be opened and closed frequently, it is a reliable and practical choice.
About JOYEAR
Joyear Metalwork is an expert in producing various piano hinges. Our more than 30 years of production experience has put us at the top of the industry.
We export our superior products to Southeast Asia, Europe, North America, and other countries.
specification
Advantages
Sturdy structure and very durable.
This hinge has an excellent design. Rather than focusing only on the rotating shaft, it can apply force to the entire wing. It typically uses plates that are at least 2.0 mm thick. For instance, a single 75mm hinge can support more than 25 kg of weight. It also has a very dependable hinge structure. After testing, its performance is stable and it can be opened and closed more than 100,000 times with ease. The requirements of frequent use can be fully satisfied by this.
Strong load-bearing capacity
Its wings are large and composed of premium materials. Excellent load-bearing qualities are the outcome. For instance, a hinge that is 100 mm in size and 3 mm in thickness can safely support more than 50 kg of weight. A door weighing more than 100 kg can be supported steadily by installing two. This is perfect for equipment covers, heavy wooden doors, and iron doors. It can greatly increase usage stability and safety.
resistance to deformation
It employs wings that are 2.5 to 3.0 mm thicker. Strong resistance to bending is thus provided. Tests reveal that, in comparison to thin hinges, its deformation can be reduced by more than 60% under the same weight. This can successfully stop the door leaf from drooping or moving. It is always possible to align doors and door frames. This lessens wear and increases the door system's overall lifespan.
support customization.
It comes in standard size series with lengths ranging from 25 to 150 mm. Additionally, it allows for flexible customization. Special opening angles, thicker sizes (board thickness up to 4 mm or more), and special hole spacing can all be customized. Additionally, non-standard customization happens very quickly. It typically only takes seven to ten working days from the time an order is placed until production is finished. This is perfect for fulfilling the specific requirements of numerous special projects.
why choose us
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Strict material and quality control guarantee
For all of its products, JOYEAR, a professional manufacturer, uses raw materials that meet national standards for 304/316 stainless steel and offers material certification. To guarantee consistent and dependable quality from the source, every batch of products must pass the load-bearing fatigue test (>100,000 times) and salt spray test (304 material ≥96 hours).
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Professional customization and quick response capabilities
Non-standard sizes, hole locations, and thicknesses (up to 4mm or more) can be easily customized with JOYEAR. Professional technical consultation is offered, and the typical customization cycle only takes seven to ten working days. For unique projects, this offers an effective solution.
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High load-bearing and stable support characteristics
The door body's weight can be efficiently distributed thanks to the wide wing design. A single 100mm hinge frequently has a working load of more than 50 kg. The heavy door body can be securely supported by installing two of them. Its exceptional rigidity guarantees precise long-term alignment and keeps the door leaf from sagging.
Drawing Design & Confirm
Get drawings from customers or create drawings using their specifications or examples.
The drawings are attested to by both parties.
Leaf & Hole Type
Tooling Manufacturing
Using the verified drawing as a guide, create the tooling and make any necessary adjustments during testing.
Sample Approval
Make the first samples and send them to the client for approval.
Production & Shipping
When making the products, pay special attention to the original drawings and samples.
After a final inspection, it was carefully packaged and delivered to the clients.
Price & Order
Provide a quote, confirm the order quantity, and include all relevant information,
such as the payment terms, trade terms, and package type.
Conclusion
JOYEAR is a respectable hardware manufacturer with twenty years of industry experience. We have developed a strong reputation and technical expertise through reliable, superior production. Our group provides solutions that are customized to meet your needs. We work closely with you to make any original custom designs a reality. We also integrate and recommend related products based on your applications to maximize purchasing value and operational efficiency.
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