China A92K Narrow Lock for Secure Aluminium Doors - Suppliers and Factory for Single-Leaf Non-Rebated Doors
| 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 |
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.
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.
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.
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:
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.
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.
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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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 two hinges are used. This makes it suitable for heavy solid wood doors, thick flush panels, and demanding commercial applications.
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What door types are compatible with this hinge?This hinge is designed for wooden doors and flush doors, including ecological gates, cupboards, and wardrobes. The minimum door thickness required is 38mm and the maximum door width supported is 900mm.
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How does the 3D adjustment system work?The integrated 3D micro-adjustment system allows fine-tuning in three planes after installation: vertical adjustment (±2.5mm up/down), horizontal/lateral adjustment (±2mm side-to-side), and depth adjustment (±1mm in/out). This ensures perfectly aligned, gap-free door installation.
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Is the hinge visible when the door is closed?No. This is a fully concealed (hidden) hinge. When the door is closed, the hinge is completely hidden from view, preserving the clean, minimalist aesthetic of flush-mounted doors and allowing the door's surface finish to remain uninterrupted.
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What material is the hinge made from, and how durable is it?The hinge is manufactured from high-grade zinc alloy, offering superior structural integrity, excellent corrosion resistance, and long-term dimensional stability. It has passed a 200,000-cycle durability test and a 96-hour salt spray test, guaranteeing long-lasting performance.
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Can this hinge be installed without professional tools or expertise?Yes. The hinge features an easy-install design with clear mounting templates and intuitive components. Both professional installers and capable DIY enthusiasts can complete the installation efficiently. The cutter diameter is 28mm, with cutting lengths of 160mm and 116mm and cutting depths of 10mm and 25.5mm.


