What Is A Lockset

A lockset is a complete securing system that contains all the necessary components for installing the lock, including the spindle that connects the sections on either side of the door or window. There are a variety of locks and locksets available on the market today, therefore it’s important to understand the lockset thoroughly to make the best choice.

What is a Lockset

what is a lockset

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Locksets are used to secure and operate front doors. Locksets are comprehensively securing systems containing all the necessary lock installation components. These items are available in various materials, coatings, and security levels. They can be operated with a handle or lever and secured and unlocked with keys or electronic keypads.

Lockset’s Components

Locksets contain the components necessary to implement a securing system on a door. You can incorporate multiple varieties of securing mechanisms into the lockset. These are the fundamental components of a lockset:


A latch is a form of secure fastener. If the lock is integrated into the doorknob, the latch is typically a small knob in the middle that can be turned or pressed to secure or unlock the door. The interior latch of a deadbolt may be turned to secure or release the door.


The case is the housing for the deadbolt's closure. It may also refer to the casing surrounding the keyhole.


Where the key is inserted into the lock is the cylinder. The device is recessed in the door and cylindrical in shape.


The tang extends from the cylinder to the fastening case through the door. It is a metal bar located between the door and the closure case.


Screws secure the lock, strike plate, and cylinder to the door.

Types of Lockets

what is a lockset

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There are two distinct body varieties for locksets.

Locksets with cylindrical bodies

The cylindrical body of a lockset slots into a large cavity bored into the door's face and intersects the latch fastener. The fastening bolt is then inserted into a cavity that has been drilled into the door's edge. This design lacks a deadbolt, but one can be added if security is a priority.

Mortise locksets

Mortise locksets are the most prevalent type of front door locks. They have massive, rectangular bodies that fit into mortises (rectangular pockets) carved into the door's edge. 

The body contains the knob or lever handle, clasp, and deadbolt components. In this design of the lockset, the handle is connected to the deadbolt (i.e., unlocking the deadbolt also frees the latch). On the door's edge are switches that engage or disengage the latch.


Locksets serve multiple purposes and may be application-specific.

Locksets without a Deadbolt

Classroom lockset: The handle on either side retracts the bolt unless the exterior key has been engaged.

Classroom security lockset: The bolt is retracted using either side's handle. The door is always accessible from the interior but can be secured from either the interior or exterior.

Institutional lockset: A mechanism on either side of the fastener retracts it. Both sides of the handle are unyielding.

Passage lockset: Both sides of the door are operable, and the door is not secured.

Privacy lockset: Unless the interior is secured, the bolt is retracted by the handle on either side of the weapon (with thumb-turn, button, or key). Unless an emergency release instrument is utilized, you can only open the door from the inside.

Public restroom lockset: You can access the door by turning the interior latch or by using the exterior key. It is impossible to secure the door from the outside.

Storeroom lockset: The bolt is retracted using either the interior handle or the exterior key. The exterior handle is optional but always rigid when provided.

Locks With A Deadbolt 

Apartment Lockset: The front door lock is secured or unlocked with an exterior key or an interior thumb turn. When the deadbolt lock is engaged, the exterior handle becomes secured and cannot be used to unlock the bolt lock.

Classroom security lockset: The deadbolt locks can be engaged or disengaged using a key from either side. Locking the deadbolt locks prevents the exterior handle from unlocking the latch bolt. When the deadbolt is secured, the inside handle simultaneously unlocks the deadbolt and latch bolt while leaving the outside grasp unlocked.

Storeroom lockset: The latch bolt is retracted using either side's handle. The deadbolt lock is secured and unlocked using either the exterior or interior key/thumb-turn. The latch and deadbolt are independently functional.

Store door lockset: On either side of the fastener is a handle used to release it. A key actuates each side of the deadbolt lock. The latch and deadbolt are independently functional.

Deadbolt Only

Deadlock: The deadbolt is operable with an exterior key. A key or thumb-turn on the interior is optional.

Classroom deadlock: The deadbolt is operable with an exterior key. Only an interior thumb turn will release the deadbolt (it does not lock the deadbolt). Optional is an interior key to secure the deadbolt.


There are several characteristics to consider when choosing a lockset, including:

  • Interior/exterior: The material and polish of the lockset will depend on the intended location of the lock.

  • Door/window: Certain locksets are intended for use in windows.

  • Easy to install: Locksets may be self-installed or installed by a professional locksmith.

  • Matching keys: If multiple locksets are installed, a locksmith can coordinate the locks so that a single key works for multiple locks.

  • Keyless lock: Lockset handles can include a keypad or magnetic card entry for added security.


What is the most prevalent variety of locksets?

Knob locks are  the primary security measure and the most prevalent for most doors. The lock cylinder is housed within the handle instead of the door. Therefore, knob locks should not be used on exterior doors, as they are readily compromised with simple instruments such as a hammer and a wrench.

How does one unlock a lock?

Scrubbing is the quickest and most straightforward technique for picking a lock.

  • Insert a Tension Wrench into the Key Cavity Bottom and Apply Light Pressure.

  • Insert Pick at the Lock's Top.

  • While applying a slight amount of torque to the wrench, move the pick back and forth in the keyhole.

  • Repeat until all pins are set.

How is a lockset for a door measured?

Measure from the door's perimeter to the door latch or handle's center. Typically, the industry standards are 44mm, 57mm, 82mm, 107mm, or 130mm. You should select a backset that positions the door handle in the center of the door stile.

What dimensions does a lockset have?

There are two common backsets for home door locks in the United States: 2 3/8 inches and 2 3/4 inches. Depending on the specified backset, your locks will come with a 2-3/8- or 2-3/4-inch clasp.


Purchasing a lockset is a simple process. Almost every hardware store carries a variety of locksets that are suitable for both interior and exterior doors. Additionally, there are lockset models that are configured for various window varieties. Hope with the information above, you’ll have a basement of knowledge about these locksets.

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James Andrews
James Andrews
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