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.

The mortise lock is generally used on the security door, suitable for general commercial and heavy industrial use. The D&D range of architectural locks is manufactured to the highest engineering standards and designed to offer a high price/performance ratio. They have been successfully type tested to all the requirements of BS EN12209. The following describes the various types of European mortise locks and the safety features that should be considered.

Stainless steel is short for stainless acid-resistant steel. Weak corrosive media such as air, steam, water or the steel with rust resistance is called stainless steel. Each stainless steel has good properties in its specific application fields. The key to success is first to clarify the usage, and then to determine the correct steel grade.

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.

Guidelines for frequency of door usage and standard for lock Build type Daily usage Yearly usageStandard for lock High frequency & Heavy weight door Large department store entrance 5,000 1,825,000 ANSI standard Lock Hospital corridor and surgical

American National Standard Institute(ANSI).European(EN).Australian Standard(AS).CNACL China Local Fire Test Beauer Certificate CANCL to be satisfied

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.