Learn the Door Lock Types


Door locks are an important part of your home security system. Everybody has one on every door but not many people know what types of door locks they use.

In this article you are going to learn the distinctive characteristics of each door lock.

Deadbolt Lock

  • Provides maximum security on a door.
  • Called “dead” because there are no springs to operate the bolt. It is operated manually with a key or a thumb turn from the inside.
  • The throw is the length the bolt is extended from the lock housing. The industry standard is a 1” throw.
  • Locks are designed to fit specific size holes and backsets. Backset refers to the distance between the edge of the door and the center of the handle.
  • They can be single-cylinder (can be opened from the outside with a key and has a tunr button on the inside) and double-cylinder (can be operated form inside and outside using a key)

Entry Lockset

  • Has two door knobs that can be locked from the inside and the outside of the door
  • Provides medium security level

Keyless Entry System

  • Advanced home security systems
  • They open when you enter a 4 digit code
  • Automatically lock the door when you forget
  • Some models have a built in alarm that triggers when the 4 digit code is incorrect

Read more about keyless deadbolts and find the best one for our home on safehomeexpert.com

Privacy Lockset

  • Interior lockset
  • Better privacy than security
  • Can be a lever or a knob
  • Wide variety of styles and models

Surface-Mounted Deadbolt

  • Almost square shape
  • Mounted on the surface of the inside of the door
  • Operated with a key or a turn knob
  • The bolt slides into a surface mounted strike

Dummy Knob

  • Only for decoration purposes
  • No latching mechanism
  • Available in a wide variety of styles and finishes


These are just some of door lock types available on the market. Hopefully you learned something new about door locks and deadbolts today.



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