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CE Certified A45ZDF 45mm Stainless Steel Deadbolt Lock - China Suppliers & Factory for Wooden/Steel Doors
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CE Certified A45ZDF 45mm Stainless Steel Deadbolt Lock - China Suppliers & Factory for Wooden/Steel Doors

Discover our premium deadbolt locks designed specifically for wooden or steel doors, ideal for single-leaf configurations. These locks are optional for rebated or non-rebated doors, making them perfect for external fire and smoke doors equipped with follower action. Sourced from top suppliers in China, our locks combine quality manufacturing with durability. As a leading factory, we ensure that our products meet the highest safety standards while providing easy installation and reliable performance. Upgrade your door security with our trusted deadbolt locks today!
  • Model No. A45ZDF
  • 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 (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

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, preserving the clean, minimalist lines of flush-mounted doors and 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.

  • 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.

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Frequently Asked Questions
Q What is the maximum door weight this hinge can support?
This 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 in both residential and commercial applications.
Q What does "3D adjustable" mean, and why is it important?
3D adjustable means the hinge allows fine-tuning in all three spatial directions after installation: vertical (±2.5mm), horizontal (±2mm), and depth (±1mm). This is critical for achieving perfect door alignment, compensating for minor installation imperfections, and ensuring consistent, professional-grade gaps around the door panel.
Q Does the hinge remain visible when the door is closed?
No. This is a hidden (concealed) hinge. When the door is fully closed, the hinge mechanism is completely concealed within the door and frame, preserving the clean, minimalist aesthetic of flush-mounted wooden doors without any visible hardware interruption.
Q What door types and thicknesses are compatible with this hinge?
This hinge is compatible with wooden doors, flush doors, ecological gates, cupboards, and wardrobes. The minimum door thickness required is 38mm, and the maximum door width supported is 900mm. The cutter diameter is 28mm with cutting lengths of 160mm and 116mm.
Q What quality and durability tests has this hinge passed?
This hinge has undergone rigorous quality testing, including a 200,000-times cycling test to verify long-term operational reliability and a 96-hour salt spray test to confirm corrosion resistance. All units pass with 100% good performance, and the product is backed by a registered patent.
Q Is this hinge suitable for DIY installation, or does it require a professional?
This hinge is designed with an easy-install philosophy, featuring clear mounting templates and intuitive components that make the process straightforward for both experienced professionals and capable DIY enthusiasts. The 3D adjustability further simplifies achieving a perfect result without needing to redo the installation.