Parts of a door lock.
Interior door lock assembly with longer bolt mechanisms.
The spindle is the bar.
The mechanism that throws the bolt when the knob or lever is turned.
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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.
The home depot delivers online orders when and where you need them.
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.
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Spring bolt a spring latch is a bolt held in place by a spring clip.
The spring is compressed to unlock the bolt and when released it snaps into a locked position.
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.
There are four types.
This piece of metal extends from the door into the frame and holds it closed.
Sometimes abbreviated as latch this is the type of lock that has a beveled spring operated bolt that engages when you close the door.
Shop online for all types of door locks and other door hardware.
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Door locks are designed primarily for functionality but in addition to providing security their appearance is a consideration.
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.
There are two main styles of latch or bolt a spring bolt and a deadbolt.
Parts of a door lock.
1 2 beveled latch with a deadlocking bar used for keyed functions.
1 2 beveled latch used primarily for interior doors interior locking and non locking functions.
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The lock engages a bolt inside the door.
Insurance approved products are available and many with multiple keys.