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Types of Door Locks

Every year nearly 2million homes are broken into which make it crystal clear that home security is needed to be taken seriously and one recommended way to improve your home security is to install better door locks.
It is important to understand the different types of door locks and the advantages of each one of them.


The most common type of door lock and primary means of protection for many doors is a doorknob lock. Installed inside the knob itself and they are easier for burglars to break into with simple tools such as hammers or wrenches, as a result doorknob should not be used as your main door lock.


Deadbolts offer the highest level of security against break-in attempts because their mechanism has no spring component which makes them difficult to open with any hand tools like knives, hammers or wrenches.
There are three main types of deadbolts which are:

  • Single cylinder deadbolts operated by a key from one side.

  • Double cylinder deadbolts operated by a key from both sides.

  • Thumb turn Deadbolts operated by a key from the out side and a thumb turn knob on the inside for easy locking and unlocking.

Cam Locks

They contain a cylindrical base that is the body of the lock which is inserted into a hole in the file cabinet or into a hole in the mailbox and a rotating part which is attached to the end of the lock’s core and rotates when the key is in.


Padlocks are free standing locks that can easily be moved from one area to another without being permanently linked to a specific door or other item. Unlike other forms of lock padlocks come in 2 main categories which are keyed padlocks and combination padlocks and each type has its own set of advantages.

Mortise Locks

Mortise locks are used on external doors commonly in commercial doors because of their strong construction. However, their installation is more complex than that of surface-mounted locks, often requiring professional installation. These locks are named after a socket that is cut into the door which the lock is fitted into and these locks are known for their longevity and durability.

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