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Lock fitted into a door whose dead bolt provides greater security; it is used especially on exterior doors.

See mortise lock in : french | spanish

Metal part fixed to the door frame and fitted with an opening to a cavity into which the bolt is inserted.

Rotating part of a lock mechanism that a unique key can turn in order to draw the bolt.

Metal part whose unique grooves activate the lock.

Thin plate fastened to the edge of the door with an opening through which the bolt passes.

Part whose end is inserted into a strike plate to lock the door when activated by a key.

Protruding cylindrical part on the door into which the key is inserted.

Orifice complementing the shape of the key and through which the rotor is fitted.

Hollow part of a lock into which the locking mechanism is fitted.

Piece of metal that, by aligning itself to the key’s grooves under pressure from the spring, enables the rotor to turn.

Elastic piece of metal that, by pressing against the cotter pin, prevents the rotor from turning if the key’s grooves do not match.

Fixed part of the lock mechanism interacting with the grooves in the key to make the rotor turn.

Part that contains the lock mechanism.