Leave Your Message
CE Certified Night Deadbolt Lock 5572ZND – Secure & Reliable China Suppliers from Factory for Wooden or Steel Doors
Hot Products

CE Certified Night Deadbolt Lock 5572ZND – Secure & Reliable China Suppliers from Factory for Wooden or Steel Doors

Introducing our premium nightlatch lock with a robust deadbolt, perfect for both wooden and steel single-leaf doors. This versatile lock is suitable for rebated or non-rebated configurations, making it an ideal choice for external fire and smoke doors. Featuring a reliable key action deadbolt that requires just 2 turns for secure locking, this product is designed for the highest safety standards. As a trusted factory and supplier in China, we pride ourselves on providing high-quality locking solutions that cater to various architectural needs. Enhance your door security with our durable nightlatch lock today!
  • Model No. 5572ZND
  • Color Black, Satin Chrome,gun Black , Satin brass , Satin Nickle , or custom color(as your color sample)
  • Product Positioning Mid-to-high-end hardware
  • Certification ISO9001
  • Customization OEM & ODM acceptable
  • Strength 20 Years of Manufacturing Experience

Advantage
🔄
200,000 Times Cycling Test
🛡️
96H Salt Spray Test
100% Good Performance
🏅
Patent
Key Specifications
Features For wooden door and flush doors, Ecological Gate, Cupboard, Wardrobe. Easy to install and adjust with 3D adjustable: Vertical ±2.5mm, Horizontal ±2mm, Depth ±1mm
Opening Angle 180°
TECHNICAL DATA
Max. Door Weight (with 2 hinges) 80 KG
Min. Door Thickness 38 mm
Max. Door Width 900 mm
Cutter Diameter 28 mm
Cutting Length 160 & 116 mm
Cutting Depth 10 & 25.5 mm
Material Zinc Alloy
Technical Profile
⚖️
Max Load Capacity
80 KG
🚪
Opening Angle
180°
🔧
Adjustability
3D System

In the world of architectural hardware and precision joinery, the hinge is the unsung hero that defines functionality, durability, and aesthetic integrity. The 3D Adjustable Hidden Door Hinge represents a breakthrough in engineering, specifically designed to meet the most demanding requirements of contemporary flush wooden doors. This product combines a revolutionary 180-degree opening angle with an 80kg heavy-duty load capacity, advanced three-dimensional adjustability, and an easy-install design, all constructed from premium zinc alloy. It is the definitive hardware solution for professionals and homeowners who will not compromise on performance, convenience, or sleek modern design.

🔩 Engineered for Unmatched Strength: 80kg Heavy-Duty Performance

At the heart of this hinge lies its exceptional load-bearing capability. Engineered to support up to 80 kilograms, this hinge redefines the concept of heavy-duty for residential and commercial applications. The core mechanism utilizes a high-grade zinc alloy arm and housing, chosen for its superior structural integrity, remarkable corrosion resistance, and long-term dimensional stability. This robust construction ensures the hinge can withstand the weight of solid wood doors, thick panels, and frequent daily use without sagging, warping, or failure. Reinforced with hardened steel pivot pins and smooth-operating bearings, it guarantees a consistently silent, fluid, and reliable swing cycle for the lifetime of the installation. Whether for large cabinet doors, heavy entryway units, or commercial fixtures, this hinge delivers unwavering strength and peace of mind.

🚪 Maximum Accessibility & Seamless Aesthetics: The 180-Degree Full-Clearance Design

This hinge transforms user interaction with storage spaces through its 180-degree full-opening capability. Doors can swing completely open, resting flush against adjacent surfaces, thereby providing total, unobstructed access to the cabinet or wardrobe interior. This design eliminates awkward angles and blind corners, making it ideal for pantries, corner cabinets, appliance garages, and any space where maximizing usability is paramount. Despite this expansive range of motion, the hinge remains entirely concealed (hidden) when the door is closed. This preserves the clean, minimalist lines of flush-mounted doors, allowing the beauty of the wood grain or lacquered finish to shine without visual interruption from hardware, maintaining a sleek and modern aesthetic.

🎯 Advanced 3D Adjustability for Flawless Alignment

Achieving a perfectly aligned, professional-grade installation is made effortless with the integrated 3D micro-adjustment system. This feature allows for precise, tool-based fine-tuning in all three spatial planes after the hinge is mounted, correcting minor imperfections in the cabinet carcase or door. The system enables:

  • Depth Adjustment (In/Out): To set the exact position of the door, ensuring a perfectly flush surface or a desired reveal.
  • Vertical Adjustment (Up/Down): To level the door precisely, creating even horizontal gaps along the top and bottom.
  • Lateral Adjustment (Side-to-Side): To fine-tune the gaps between adjacent doors, ensuring consistent, hairline margins.

This adjustability is not just a convenience — it is a critical tool that saves significant installation time, compensates for material movement, and guarantees a flawless, gap-free finish that is the hallmark of quality craftsmanship.

⚡ Streamlined Simplicity: The Easy-Install Advantage

Recognizing the value of time and efficiency, this hinge system is designed with an easy-install philosophy. It features clear mounting templates, intuitive components, and a straightforward process that simplifies installation for both seasoned professionals and capable DIY enthusiasts. The design minimizes complex steps without sacrificing the robust features, allowing for a quicker, more confident setup that gets the job done right the first time.

Conclusion

The Superior Choice for Demanding Applications

The 3D Adjustable Hidden Door Hinge is more than a simple fitting; it is a comprehensive performance system. It successfully merges extreme 80kg load-bearing capacity with the ultimate accessibility of a 180-degree opening, the surgical precision of 3D adjustability, and the practicality of easy installation — all housed within a durable zinc alloy body. For those seeking a reliable, high-performance, and aesthetically discreet hinge for heavy wooden flush doors, this product stands as the intelligent and uncompromising choice. It ensures that every door operates with smooth, silent authority and maintains flawless alignment for years to come, fully embodying the union of robust strength and refined modern design.

Send Inquiry
BY ENTERING YOUR E-MAIL ADDRESS YOU ACCEPT INJET PRIVACY POLICY
Frequently Asked Questions
What is the maximum door weight this hinge can support?
The 3D Adjustable Hidden Door Hinge is engineered to support doors weighing up to 80 kg when using two hinges. Its high-grade zinc alloy construction and hardened steel pivot pins ensure reliable load-bearing performance for heavy solid wood and flush doors.
What does 3D adjustability mean, and how does it work?
3D adjustability means the hinge can be fine-tuned in three spatial directions after installation: Vertical (Up/Down) ±2.5mm, Horizontal/Lateral (Side-to-Side) ±2mm, and Depth (In/Out) ±1mm. This allows you to correct misalignments and achieve perfect door gaps without reinstalling the hinge.
What types of doors is this hinge compatible with?
This hinge is designed for wooden doors, flush doors, ecological gates, cupboards, and wardrobes. It requires a minimum door thickness of 38mm and supports doors up to 900mm wide, making it suitable for a wide range of residential and commercial applications.
Is the hinge visible when the door is closed?
No. This is a fully concealed (hidden) hinge. When the door is closed, the hinge mechanism is completely hidden within the door and frame, preserving the clean, minimalist appearance of flush-mounted doors without any visible hardware interruption.
What quality and durability tests has this hinge passed?
This hinge has passed rigorous quality testing, including a 200,000-times cycling test to verify long-term mechanical reliability and a 96-hour salt spray test to confirm corrosion resistance. All units are verified to deliver 100% good performance, and the product holds a registered Patent.
What is the opening angle, and what are the installation requirements?
The hinge offers a full 180-degree opening angle, allowing the door to swing completely flat against an adjacent surface for maximum access. Installation requires a 28mm cutter diameter, with cutting lengths of 160mm and 116mm and cutting depths of 10mm and 25.5mm. The system includes clear mounting templates for straightforward installation by both professionals and DIY users.