Main and additional locks

Categories: Locks, Doors, Locksmith

What do we need to know about different types of locks? The locks can be divided into two types – main and additional.

The main locks (with one-sided, three-sided and four-sided locking) are divided into several subsets – secret locks, ordinary locks, service locks, locks and locks for AL and PVC joinery.

The additional locks (which are used to support the main ones) have two subsets – cash and secret – for embedding and ones for outdoor installation.

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