This means that one can push down on the horizontal lever, versus twisting a knob like a doorknob. Learn more about doorknob locks on external the following external websites:Ī door lever is more or less the same as a doorknob, however, the difference is that a lever is used for operation instead of a knob. Some models could be trickier to access the lock cylinder for a rekey versus a lever lock Hurts less to get snagged on versus a lever lockĬan be hard to grip for children and people with arthritisĬould be a fire hazard to someone who can’t twist the knob Doorknobs are more-or-less the same as door levers, the primary difference being their shapes. Doorknobs, lever locks, and deadbolts are all separate pieces of hardware that provide varying levels of protection and have their own pros and cons. In a majority of homes in the United States, most doors will consist of either a doorknob or a door lever lock. Doorknobs are essentially the handle parts of the door, but when they’re shaped like a knob as opposed to a lever. Cambridge defines it as a round handle that you turn to open a door. “ a type of mechanical fastener that joins two (or more) objects or surfaces while allowing for their regular separation”Ī doorknob is defined by the Merriam-Webster dictionary as a knob that releases a door latch. To put it into perspective, both pieces of hardware are for the purpose of operating the door latch. More about deadbolts on external websites:ĭoorknobs and door levers are very similar, the key difference being their shapes. Offers the best levels of security for brute force physical attacksĬan become hard to use if a house shifts/settles over timeĭouble-sided deadbolts can be a fire hazardĭouble-sided deadbolts are actually two locks & lock rekeying will require both cylinders be rekeyed to work with the same key Doors that have deadbolt locks are much harder to kick in as the bolt goes much further into the frame when compared to a lever lock or doorknob lock.īelow are just a few pros and cons of deadbolt locks. Homes that have only a doorknob or door lever lock on an entry door are encouraged to contact their nearest locksmith and install a new deadbolt lock to enhance the security of the door. Most homeowners and businesses will be relying on a deadbolt lock to keep them secure from intruders. That’s because there isn’t a flip turn they can use, instead, they are greeted by the same lock as is on the outside. With double-sided deadbolts, intruders can’t operate locks if they reach inside, even if they get their hand through a broken window. Double-sided deadbolts are used frequently on business doors and home front doors near a glass entry, as burglars often break a window and reach inside to unlock a lock. This is the reason double-sided deadbolts cost more than single-sided deadbolts, because there are actually two separate lock cylinders instead of just one.ĭouble-sided deadbolts often pose fire-related concerns for those who are seeking to exit a burning building but can’t because they don’t have keys to unlock the door from the inside-out. Many think that double-sided deadbolts are just one lock, but it’s actually two separate locks that are fitted on both the inside and the outside, instead of a flip turn on the inside. Double-sided deadbolts are different than single cylinder deadbolts because instead of being able to be locked or unlocked from the inside with a thumb-turn device, they must be operated with keys from either side. Double-sided deadbolts are actually two separate locks, but they are often installed on businesses and homes where locks are near windows. Single-cylinder deadbolts have a lock on the outside of the door with a keyhole for operation, and a flip turn on the inside for locking and unlocking. Deadbolt locks are separate from doorknob locks, and often come in either single cylinder or double cylinder variants. Deadbolts often offer superior levels of protection over their doorknob and lever counterparts of equal security rating. What is a deadbolt?Ī deadbolt lock, or dead bolt (deadlock), is a lock that is operated with a key and comprised of a “square” shaped latch (we cover latches later). We will also go over information about door levers, and how they’re different but similar to doorknobs and deadbolts. First, we will cover definitions of both, then we will cover some of the pros and cons of each. In this article, we are going to go over the differences between a deadbolt and a doorknob lock.
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