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.
A Thumbturn Cylinder is a unique type of lock cylinder that has been designed in such a way that it can be opened either from the inside or from the outside, which makes it different from other types of locks. The thumb turn lock cylinder, turns on its side, so that the thumb and fingers of one hand can fit snugly against the side of the door cylinder while the other hand is free. In case of emergencies where you may find yourself trapped in a closed garage or any other such situation, this locking cylinder will enable you to open the door easily. This unique feature of the thumb turn lock cylinder makes it highly secure, which is why it is used in high security European commercial sectors, military installations, banks, hospitals, shopping centres and even in residential areas. The thumb turn lock cylinder is also used in high-end automobiles, which is another aspect why it is considered as a highly secure lock cylinder.