This piece of metal extends from the door into the frame and.
Turn part of a lock door.
The lock engages a bolt inside the door.
The lock cylinder or key cylinder is the body of the lock where you insert a key and adjust the lock pins before you engage or disengage the lock.
The spindle is the bar that connects knobs or levers through the door and operates the lock mechanism.
The cylinder is the part that contains the code for the key and determines whether the door locks and unlocks.
The cylinder or lock body is the part of the door lock where you insert the key.
Parts of a traditional lock cylinder lock body.
The lock cylinder is the meat of the door lock.
In a mechanical lock the lock body uses a series of spring loaded pins to allow or stop the turning.
When you unlock your front door you turn the key inside of the lock cylinder.
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When the key is inserted it allows the lock body to turn.
If a cylinder is sticking has a key broken off in it.
Box strike plate.