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The Different Types of Locks and Their Features

keypad lock

The Different Types of Locks and Their Features

As a locksmith, it’s important to have a working knowledge of the various types of locks available on the market. Different locks are designed for specific purposes and can offer different levels of security and convenience. Here’s a rundown of some of the most common types of locks and their features, brought to you by Armstrong Locksmith Services.


Deadbolts are perhaps the most popular type of lock for residential homes. They consist of a bolt that is secured into the doorframe and can only be opened with a key. Deadbolts come in single- and double-cylinder versions. Single-cylinder deadbolts can be opened with a key from the outside and a thumb-turn on the inside. Double-cylinder deadbolts require a key to open from both the inside and the


Latch bolts:

Latch bolts are commonly found on doors that don’t require as much security, such as bedroom or bathroom doors. They consist of a spring-loaded bolt that is activated by a knob or handle. Latch bolts are generally less secure than deadbolts, as they can be easily forced open with a credit card or similar tool.

Wafer tumbler locks:

Wafer tumbler locks are often found on cabinet doors, mailboxes, and other low-security applications. They consist of a series of wafer-shaped tumblers that must be aligned in a specific pattern in order to open the lock. Wafer tumbler locks are relatively easy to pick and are not recommended for use on doors that require a high level of

  1. Pin tumbler locks: Pin tumbler locks are similar to wafer tumbler locks, but they use pins instead of wafers to secure the lock. Pin tumbler locks are commonly found on residential doors and are generally more secure than wafer tumbler locks.
  2. Lever tumbler locks: Lever tumbler locks are typically found on commercial doors and are known for their durability and high level of security. They consist of a series of levers that must be aligned in a specific pattern in order to open the lock. Lever tumbler locks are more difficult to pick than other types of locks, making them a good choice for businesses that need to protect valuable.
  3. Keyless entry systems: Keyless entry systems allow you to unlock your doors using a code or a smart device, such as a These system can provide added convenience and security, as you don’t have to worry about losing your keys or having them copied.

No matter what type of lock you choose, it’s important to have it installed by a professional locksmith. At Armstrong Locksmith Services, we have the expertise and


Equipment to ensure that your locks are properly installed and working at their best. Contact us today at (615) 625-8000 to schedule an appointment and take the initial jump toward securing your home or business.