What is a strike plate? The strike plate explained simply!

The lock box is a part that is either screwed or welded onto a door and receives the bolt when the c...

What is a security bar? A simple and easy-to-understand explanation of the security bar!

If a security latch is installed on an entrance door, the corresponding door can only be opened a sm...

While a rebated door, as the name suggests, has rebates (rebate = an individual stepped edge), a flu...

A rebated door can be quickly recognized by its door leaf. This is because the door leaf of a rebate...

The term “door leaf” generally refers to the actual door itself. However, the door frame and door ca...

The swing bolt is the core component of a swing bolt lock. While a conventional bolt, for example in...

A special form of the deadbolt lock is the swing bolt lock. It is called this because, during the lo...

A deadbolt lock is a type of lock that has a bolt but no latch. For this reason, the term “bolt-only...

The cylinder cover (Zylinderabdeckung) is an important device in the field of burglary protection. I...

The ward is a mechanism in a lock that keeps the bolt blocked until the correct key moves the ward i...