BS EN 12209 classifies mechanically operated locks, latches and locking plates using an 11 digit coding system. This has proved necessary in order to provide a proper assessment of all the varied features of products for specific markets within Europe. It should be noted that to avoid a greater proliferation of boxes, certain features have been “doubled up”: e.g. durability and durability with side load; door mass and closing force; corrosion resistance and temperature resistance. The system is comprehensive but it has led to the use of letters (rather than numbers) in certain boxes, since there can only be one digit in each classification box. A similar classification system applies to all building hardware product standards (at least for the first 7 boxes) to aid meaningful comparisons with related products.

The mortise lock is a very popular and ancient design that has stood the test of time. They are sturdy and reliable. Their structures are also relatively diverse. Modern mortise locks are a popular lock often used in the security industry of commercial locksmiths. Its rugged design has stood the test of time. Mortise locks can be used for decades. In fact, these mortises exist in old houses and buildings and are resistant to bad weather and time. The mortise lock has a long life, so understanding the structure and principle of the mortise lock can provide great help for installation and maintenance.

In modern home decoration, there are often some inconspicuous parts that play an important role. And we often overlook the importance of them, know that there is a problem, and everyone began to pay attention, then it was already late. Among them, there are indoor door locks that are often overlooked. In general, indoor door locks are in contact with us every day, so we must pay attention to its purchase work. However, for home improvement white, because of the little knowledge of interior door locks, it is difficult to quickly purchase a truly beautiful and high quality product. The interior door lock is one of the hardware. Its role is relatively large. It can be said that the privacy of our home is guarded by it. At the same time, it directly affects the use effect and service life of the interior door. Since it is such a key component, how can we choose it?

It is quite straightforward to install a mortice lock to a wooden door but it does require accurate measurements and cutting so that the mortice lock and striker plate install correctly.

D&D Hardware Mortise Locks are meet EN12209,according to DIN 18250, 18251, suitable for commercial, industrial and prestigious residential projects and provide different functions to meet various applications.