Parts of a door lock.
Interior door lock assembly with longer bolt mechanisms.
The spring is compressed to unlock the bolt and when released it snaps into a locked position.
Sometimes abbreviated as latch this is the type of lock that has a beveled spring operated bolt that engages when you close the door.
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Depending on the type of door lock which we ll get to in a moment the parts may differ in looks and how they work.
This piece of metal extends from the door into the frame and holds it closed.
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Like your car s engine under the hood this is the internal body of the lock the unseen working mechanisms inside the door.
Parts of a door lock.
The lock engages a bolt inside the door.
The home depot delivers online orders when and where you need them.
While the shape and style of the external components can vary depending on the type of door knob or handle or whether you unlock the door with a traditional metal key your fingerprint or a card the internal components will always involve a spring latch or deadbolt secured with a box and strike plate.
Shop online for all types of door locks and other door hardware.
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There are two main styles of latch or bolt a spring bolt and a deadbolt.
1 2 beveled latch with a deadlocking bar used for keyed functions.
There are four types.
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These latches or bolts are extended or retracted by the mechanisms in the lock s body.
If you ever need to replace locks on your doors you ll need to know the individual names for parts their importance for the overall mechanism and how they help the other parts work to lock the door.
Look at pictures of different door lock types to find models that match your style.
1 2 beveled latch used primarily for interior doors interior locking and non locking functions.
Spring bolt a spring latch is a bolt held in place by a spring clip.
The spindle is the bar.