How to Choose the Right European Mortise Lock?

A mortise lock is a type of lock that is installed in the door’s edge and requires a pocket, called a mortise, to be cut into the door. It is one of the most secure and durable lock types and is commonly used in Europe for both residential and commercial properties. If you are in the market for a European mortise lock, it can be overwhelming to choose the right one for your needs. With so many different types of locks available, it can be challenging to determine which lock is best for your specific requirements. In this article, we will provide a comprehensive guide on how to choose the right European mortise lock.

The working principle of European mortise lock

A mortise lock consists of two main components: the lock body, which is the part that is integrated into the door, and the lock cylinder, which is the part that is inserted into the lock body and rotates when the key is turned. The lock body contains the latch, which is the mechanism that secures the door, and the deadbolt, which is a secondary lock that provides extra security.

The working principle of the European mortise lock is quite simple. When the key is inserted into the lock cylinder, it engages the tumblers inside the lock body. The tumblers are pins that prevent the lock cylinder from rotating unless the correct key is used. When the key is turned, it rotates the lock cylinder, which in turn activates the latch or the deadbolt.

The latch is the mechanism that secures the door when it is closed. It is typically spring-loaded, so when the door is closed, the latch automatically extends into the doorjamb and secures the door. When the key is turned, the lock cylinder rotates and retracts the latch, allowing the door to be opened.

The deadbolt is a secondary lock that provides extra security. It is typically engaged by turning the key in the lock cylinder a certain distance. When the deadbolt is engaged, it extends into the doorjamb, providing an additional layer of security for the door. The deadbolt can only be retracted when the key is turned again, or when the latch is retracted.


One of the key features of the European mortise lock is that it provides keyed access from both the inside and the outside of the door. This means that you can unlock the door from the inside without a key, which is particularly useful in emergency situations. To unlock the door from the inside, you simply need to turn the latch or deadbolt with your thumb.

Another important feature of the European mortise lock is its durability. The lock body and the lock cylinder are made from high-quality materials that are designed to withstand heavy use and resist tampering. Additionally, the lock mechanism is housed within the door itself, which provides extra protection against tampering.

One of the most significant advantages of the European mortise lock is its versatility. The lock can be easily adapted to different types of doors, and it can be used in a variety of applications, including residential buildings, commercial buildings, and public buildings. Additionally, the lock can be customized to meet specific security requirements, making it a popular choice for many building owners and managers.

Despite its many benefits, the European mortise lock does have some limitations. One of the main limitations is that the lock mechanism can be complex, making it more difficult to install and maintain than other types of locks. Additionally, the lock body and lock cylinder can be vulnerable to wear and tear over time, which can impact the performance of the lock.

In conclusion, the European mortise lock is a reliable and versatile locking mechanism that provides keyed access from both the inside and the outside of the door. Its durability and security features make it an ideal choice for residential and commercial buildings, and its versatility means that it can be adapted to meet a wide range of security requirements. Although it can be complex to install and maintain, its many benefits make it a popular choice among building owners and managers.

European type mortise lock type function

The lock body is the part of the mortise lock that is installed in the pocket of the door. It usually contains a cylindrical lock case, which houses the locking mechanism, and a strike box, which is a metal box that contains the latch or deadbolt. The faceplate is the part of the mortise lock that is mounted on the outside of the door. It typically has two parts: the keyhole and the handle.

European type mortise locks are commonly used in residential and commercial applications. They are designed to provide superior security and durability and are often found in apartment buildings, hotels, and other buildings that require higher security.

The main benefit of European type mortise locks is their superior security. They are designed to protect against forced entry and tampering. They also offer multiple levels of protection, including deadbolts, latch locks, and spring latches. The locks are also designed to be tamper-resistant, which means that they cannot be easily picked or bypassed.

Another benefit of European type mortise locks is their durability. They are designed to withstand wear and tear and are less likely to break than conventional locks. This means that they are a good choice for high-traffic areas, such as apartment buildings and hotels.

European type mortise locks come in a variety of styles, including single cylinder, double cylinder, and keyless entry. Single cylinder locks are the most common type and require a key on the outside and a thumbturn inside. Double cylinder locks require a key to open from both sides, while keyless entry locks allow you to unlock the door with a code or card.

European type mortise locks are a great choice for homeowners and business owners who are looking for superior security and durability. They offer multiple levels of protection and are designed to be tamper-resistant. They also offer a variety of styles, including single cylinder, double cylinder, and keyless entry, making them a great choice for any application.

SDH has focus the mortise lock manufacturing for more than 10 years, SDH has a big scope of euro profile mortise lock in China, including Mortise sash lock,  passage lock, deadbolt lock, panic lock, classroom lock, bathroom lock, and some customized lock according to customer’s unique demand.

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