Popular door locks and keys

Published Date:
June 1, 2021
Last Updated:
February 12, 2026

Door locks are necessary. They offer a level of safety and security that no other appliance or equipment can match. They function as a barrier, helping to keep your property and office secure and private. When looking for locks for your premises, efficacy is crucial.

Around 2 million homes are broken into every year, so knowing the fundamental distinctions between the different types of door locks may help you make smarter decisions for your facilities. If you’re a locksmith or work in the lock installation industry, understanding this information can help you make better decisions for your clients. Here are a few of the most common locks and keys:

Knob Locks

Internal door knob locks are the most popular form of fitted door lock. Knob locks aren’t recommended for usage outside due to their lack of security. However, when used in conjunction with deadbolt locks, these locks may be put on external doors to give additional security. The locking mechanism for door knob locks is located within the system. Depending on whether the door is locked from the inside or outside, doorknobs feature knobs on either side of the door.

Mortise Locks

Mortise locks are strong locks commonly used on business doors, glass entry doors, and apartment doors. A mortise lock is made up of complex hardware installed in the door and is securely attached by a set screw, with the locking hardware actuated by a cam.

Mortise cylinder locks come in various styles, such as three-lever mortice locks and five-lever mortice locks. A mortise lock’s number of levers indicates how many locations the door locks into the frame. It will be more secure if it has more levers.

Deadbolts

Deadbolt locks are different from the doorknob, which adds an extra degree of protection to your entry doors. To deter attackers, many homeowners and business owners install both a doorknob lock and a deadbolt on their entry doors.

By establishing a strong lock system that makes it virtually hard for a thief to break in through the door, deadbolts can decrease the danger of forced entry. Single and double cylinder deadbolts are available, with double cylinders providing even greater security against unlawful entry into the residence.

Single Cylinder Deadbolts

A key cylinder on the exterior and a thumb turn (rosary) on the interior are used to open and close single-cylinder deadbolts. The thumb turn on these deadbolts has one major flaw: the door can be unlocked if access to the interior is feasible (through a nearby window or even through the peephole with basic tools).

Lockable Thumbturn

A deadbolt with a lockable thumb turn is a cross between a single and a double deadbolt. It has an inner thumb turn that functions similarly to a standard single cylinder deadbolt; however, the thumb turn can only be locked with a key and so cannot shut or open a door. The thumb turn can be secured, preventing the deadbolt from being unlocked even if someone has access to the door from the inside. In most cases, this style of lock gives the most versatility and security.

Padlocks

Padlocks are one of the most basic forms of door locks. They are movable, which means they are not permanently linked to a door or anything that utilizes it, unlike other sorts of locks. Padlocks can be attached to a door, gate, chain, or fence to protect a location and prevent theft or vandalism. They have a shouldered shackle, which means the padlock shoulders elevate the sides of the shackle. Thus, bolt cutters can’t cut past it.

Padlocks are available in a number of styles that are divided into two groups.

When a key is placed into a keyed padlock, it rotates to release the lock. There are two types of keyed padlocks: non-re-keyable and re-keyable. In addition, the locks might be key retaining or non-key retaining. Key-retaining padlocks prevent the key from being taken out once the lock has been opened. Intruders will have a hard time cutting your lock if it has shrouded shoulders.

Combination padlocks have rotating dials with several numbers or characters. The padlock will release, and the lock may be unlocked after being lined up in the right combination. These locks are advantageous since they do not require the usage of a key.

Vertical locks

To secure the door, this sort of lock uses a vertical bolt that extends through a set of rings. When the door is closed, steel rings on the striking plate (the metal plate that attaches inside the door frame) interlock with extra steel rings on the lock. Vertical locks are most often employed in commercial applications, such as hotel doors or big apartment complexes, and can have single or double cylinders.

Electronic Locks and Smart Locks

Electronic locks do not need keys to lock and unlock; instead, they include a keypad or card system that requires a specific code or key to operate. These keyless locks are popular in hotel rooms and workplaces, and they’re also growing more popular in apartment complexes and private homes.

Electronic locks can keep track of when the room or property has been entered and exited. It can also register which person entered the lock, if many persons use different keycards, making it easier to figure out who visited the property at a given moment. This can aid in the maintenance of stronger security procedures and be beneficial in the event of any questionable behavior.

Smart locks are a new form of door lock that has quickly gained popularity and alters how individuals control their home security. For the smart lock to be locked and unlocked, it must receive a precise set of instructions from an approved device. Wireless communication standards are generally followed while transmitting these instructions. You may also use your smartphone to open your door remotely. This may be useful if you had to leave town abruptly and needed to let someone inside your house feed your pet or switch off the heat.

If you want to get the best locks installed for your room or office doors, please don’t hesitate to call locksmith Dubai for the most professional and quick fitting. Our team of locksmiths is highly skilled and qualified and won’t leave you disappointed.

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