The cylinder is the part that contains the code for the key and determines whether the door locks and unlocks.
The name of the lock part inside the door.
Every door lock has both internal and external components.
If a cylinder is sticking has a key broken off in it.
Horizontal top and bottom parts of the door.
Different parts of a lock the lock itself will also have a number of common components.
Each type of lock is built differently but let s take a look at the anatomy of a typical door lock usually used in homes or light commercial buildings.
A right handed lever has the door hinges located on the right side of the door as you look at it from the outside.
The key is also an important part of the lock since it is required for the lock to function.
This is important to know when choosing a compatible lock for your use.
The frame is built into the wall.
Forend that part of the lock or latch through which the bolt s protrude and by which the lock or latch is fixed to the door.
A key is required to open the door from the exterior side of the door.
A left handed lever has the door hinges located on the left side as you look at the door s exterior.
Key used to align the pins with the tumblers to allow the barrel to rotate and release the lock.
The strike plate connects to the door frame and it is lined up with the dead latch.
Lock the internal component of the lock consisting of the tumblers pins and barrel.
Door handle or door knob parts in addition to the keypad or scanner on an electronic lock can be considered external while the internal parts are composed of everything hidden inside the door and everything behind the key slot.
The hinge style is where the hinges are attached to.
The lock cylinder is the meat of the door lock.
Secures door to frame while enabling a swinging motion.
Handing is a term used to indicate how a door swings.
Bolt or dead latch this is the part of the lock that inserts into the mortise to secure the door.
The main parts of a door lock are the cylinder bolt box and strike plate.
Flush bolt a door bolt which can be recessed flush into the edge or face of a door.
The rose insert connects between the inside knob and the door.
It s useful for any diy er to know how things around the home operate.
The frame to which the door is attached to via hinges.
The lock prevents the spindle of the bolting mechanism from retracting from the door frame making it impossible to open the door.
Furniture the additional items needed which are screwed to one or both sides of the door to enable a lock or latch to be manually.
The lock style is where the lock and knob is placed.
The sides of the door.
If you need a new lock because you lost the key to the door you may opt for re keying the cylinder rather than replacing it.
When the door is closed the two are connected.