Door Lock Cylinder Master Key System


Master key system is an important part of the lock cylinder. As a mechanical access control system, it has been used in many applications. The functional practicality of Master key system is well recognized.

Through Google, we can see some articles about Master key system, but those articles are more complicated because they involve some official terms, so most people do not understand them very well. For ordinary people, there are only a few cases involving master key system, and it is not very complicated. Let me give you a brief explanation:

Simply master system

The master key system is usually used in the home. It’s usually the home owner who keeps the master key, which can open the doors of all the rooms, and these doors also have separate open keys. This system can be used if the family has children or a nanny, and sometimes a room key can be given to relatives when they visit.

Public master system

Usually used in Shared apartments. Each person in the apartment has a key to their own separate room, and their keys can open the main door’s lock core.

Multi master system 1

In some small hotels, we don’t have to have electronic locks, this master system can easily solve this problem. Here, every tenant has a key to every door in the room, every cleaner on every floor has a key to every door in the room, and the hotel owner has a key to every door.

Multi master system 2

This master system is usually used in the office. Each room has its own key, and the directors of each department have the key to open several rooms. Some departments will share some rooms, such as the storage room, so that all the directors of this room can open the door. The boss has a key that opens all the rooms


Intelliware is a leading supplier of architectural hardware in international market. We focus on handles, locks, cylinders, keys, hinges and other accessories in doors and windows. In the last 20 years we have seized large amounts of market share around the world, developing our clients in Europe, America, Middle East, Asia, etc.

Intelliware can produce professional master lock cylinder.
For the use of house, hotel and office building of various departments, General master keys
opens all doors. Mater key opens doors of relating departments,each door has its own key.

Contact with us to know more:


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