Door Locks, Their Primary Differences and Uses


We all know the importance of door locks and how they play a crucial role in providing security and safety for us. This is the reason why many families emphasize on buying high quality sturdy locks, as they are the backbone of our security system. Therefore, it is vital that you buy the right kind of locks in accordance to your homes and your place of business. To help you out, below is some information regarding different types of locks and their varieties and functions in security.

Cam Locks 

Cam locks are a type of cylindrical fasteners that are often used in places that have lower security purposes, such as filing cabinets and mailboxes. These types of door locks allow the storage to be kept securely in a latent way without affecting the outward appearance. In fully constructed cabinets, cam locks are often invisible, which is why it is more appealing to the consumers. When deciding what type of cam lock to buy, look for the metal piece on the pack, as it is the primary variable known as “Cam”.

Knob Locks

Knob locks are the most frequently used door locks for interior rooms such as bathrooms and bedrooms. The positive thing about knob locks is that they are both cheap and durable in terms of light security. The lock cylinder for knob locks is in the knob itself, which is effective in preventing unauthorized access to your room. Many professional locksmiths would not generally recommend using knob locks for exterior doors, as they can be easily bypassed.


Padlocks are one of the oldest types of locks that have been in use for centuries. Basically, padlocks are small and portable locks infused with a shrouded shackle that can stand against the bolt cutters. Padlocks do have some variety of models, but the locks are mainly divided into ‘keyed’ and ‘combination’. Keyed padlocks are known for having different subtypes such as keyable, keyed different and keyed alike. With keyed alike padlocks, multiple locks can be operated by a single key, while with keyed different, every lock has a unique key. Although the latter could be less convenient for you, but it is undoubtedly the most secure option.

Deadbolt Locks

Deadbolt locks are one of the primary door locks used for protection against break-ins and burglary. Generally made from steel or brass, deadbolt locks are heavier and thicker in nature than the standard spring latch. In comparison to other locking mechanisms, deadbolts provide an extra layer of strength and resistance that can withstand battering and physical attacks.

There are mainly three types of deadbolt locks, and they are-

  • Single cylinder deadbolts– It can be activated from the exterior side via a key, while the interior side requires only a thumb turn mechanism.
  • Double cylinder deadbolts– As the name double suggests, these deadbolts can be opened with a key from both sides.
  • Keyless deadbolts– This type of deadbolts involves a numeric keypad with a certain password to open and close the lock.

Mortise Locks

Mortise locks are immensely powerful door locks especially designed for application on external doors. Mortise locks have stood the test of time and are widely used in commercial spaces due to their ability to withstand use and abuse. The components for different models may vary, but they all have solid metal construction, large springs, and hardy materials in common. Although mortise locks have been ideal for business and buildings, now they are slowly gaining popularity amongst upper class homes as well.


The number of burglary and break-ins are at an all time high. Hence, the time has come for you to shed some light on your personal and business protection. Make sure you do understand the key differences between the different types of door locks that are listed above before investing.


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