D&D HARDWARE specialize in providing comprehensive door hardware solutions for both wooden and metal door applications, offering an extensive range of high-quality products designed for durability, security, and seamless functionality. Our product includes door hinges, door locks, lever handles, door closers, panic bars, lock cylinders, door stoppers door bolts, door viewers, glass door hardware, and door accessories etc..
Beyond individual components, we deliver complete door opening systems tailored to meet the demands of residential, commercial, and institutional projects. Whether you need fire-rated hardware for safety compliance, sleek designs for modern aesthetics, or heavy-duty mechanisms for high-traffic areas, our products are manufactured to meet international standards (BS EN, CE, UL, ANSI, BHMA). With a focus on innovation, quality, and customization, we serve architects, contractors, and distributors worldwide, ensuring every solution enhances performance, security, and user experience. Partner with us for end-to-end door hardware expertise—from product selection to technical support.
D&D 3D concealed door hinge is a high-performance, invisible hinge system that enables three-way micro-adjustment (height, depth, and lateral alignment) for perfect door positioning. Unlike traditional hinges, it remains completely hidden when the door is closed, ensuring a clean, modern aesthetic. These precision-engineered hinges typically feature 200,000+ cycle durability (EN1935 certified) and optional fire ratings (EN1634) for safety applications. Ideal for both wooden cabinets and metal fire doors, they offer tool-free adjustments to eliminate misalignment, prevent sagging, and maintain smooth operation over time. The ultimate solution where seamless design meets industrial-strength functionality in residential, commercial, and architectural projects.