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Understanding Lockset Functions

How do you know which type of lockset is right for your job?


Whether you are an end user, homeowner, or seasoned contractor, sometimes knowing which function of lock you need can be tricky and not everyone knows the terms to use. In this post, we've listed the different functions and what they mean so you can decide which lock will be best for your project.


There are other functions outside these five, but they are far less common and only needed in special circumstances. These are the five functions that we keep in stock here at Firelands Hardware.



Entry Lockset Function. This is the most common type of lock and our most frequently purchased lock. Any entry function lockset will have a button on the interior lever or knob that will allow you to lock the door from the inside. Once locked, the door can be unlocked from the exterior with a key, or from someone opening the door from the interior. This lockset function is most commonly used on exterior doors and can be found on almost everyone's front door.


Storeroom Lockset Function. This function is always locked. There is no thumbturn or button on the interior lever. They can, however, be opened from the interior, so you won't need to worry about anyone getting locked inside. Each time you want to open the door from the exterior, you will need a key. As the name would suggest, this function works great on supply closets and storage spaces.


Classroom Lockset Function. Much like to the storeroom function lockset, this lock does not have a button on the interior. Though, unlike the storeroom function, this door can be left unlocked. A full turn will lock or unlock the knob/lever, allowing only the person with the correct key to leave the door open. Like the name suggests, this function works perfectly for classrooms and conference rooms.


Privacy Lockset Function. This lockset is not used for security purposes, simply for privacy. These lockset functions are most commonly found on bathrooms and changing rooms to prevent anyone from accidentally walking in when in use. They can be locked from the interior via a push button, and will often have a small hole on the exterior that can be unlocked with a paperclip in case of an emergency.


Passage Lockset Function. This function doesn't lock at all. There are no keys, buttons, or thumb turns. These are meant to be used on doors that have free access. The are most commonly used on closets

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