Redwoodlocks

2026 locksmith

Menu

Locksmith

10 Types of Keys You Should Know

By Bastien Gallagher 3 min read

Various types of keys including house keys, car keys, and door keys

1. Door Locks

Door locks are the most common type of lock. Used to secure the doors of homes and buildings, these locks come in various models, ranging from traditional mechanical locks to more modern electronic locks. Door locks can be cylinder locks, lever locks, or deadbolts.

2. Car Keys

Car keys are specifically designed to unlock and lock vehicles. These keys vary between car models, and many are now equipped with advanced technology such as remotes and smart keys. Modern car keys often also feature sophisticated anti-theft capabilities.

3. Digital Locks

Digital locks are a modern solution that utilizes electronic technology. Common examples include locks that use a PIN, RFID cards, or biometrics (such as fingerprints) to open doors. Digital locks are very popular for commercial use and can be integrated with larger security systems.

4. Cylinder Locks

Cylinder locks are a type of lock commonly found on residential doors. This includes tubular locks and mortise locks. This type of lock has a mechanism that relies on a rotating cylinder to open or lock the door. Cylinder locks are very secure and are often used in residential settings.

5. Lever Locks

Lever locks are more commonly used on commercial doors. These locks operate using a lever to activate the locking mechanism. Lever locks are usually easier to use compared to traditional door locks, making them a good choice for accessibility.

6. Padlocks

Padlocks are portable locks that can be used to secure items such as cabinets, gates, or bicycles. Padlocks come in various sizes and security levels, from simple locks to advanced locks with high-security features.

7. Tubular Locks

Tubular locks have a cylindrical shape and are typically used on locking devices for automatic doors or doors with low security levels. These locks are harder to pick compared to regular locks, although not as secure as deadbolts.

8. Deadbolts

Deadbolts offer a higher level of security compared to other locks. These locks are installed on doors using a more complex mechanism, making them harder to break into. Deadbolts are usually used as the primary lock on home entry doors.

9. Keyless Entry

Keyless entry offers a practical alternative to traditional keys. With this technology, you can open doors without using a physical key, simply by entering a code or using a smartphone app. This reduces the risk of losing keys and provides added convenience.

10. Biometric Locks

Biometric locks are one of the latest innovations in security. These locks use unique individual features, such as fingerprints or facial recognition, to grant access. Biometric locks provide a high level of security and are very useful in environments that require strict security.

Type of Lock Security Accessibility Common Use
Door Locks High Easy Homes and buildings
Car Keys High Medium Vehicles
Digital Locks Very High Medium Commercial, smart homes
Cylinder Locks High Easy Homes
Lever Locks Medium High Commercial
Padlocks Medium High Portable items
Tubular Locks Medium Easy Automatic doors
Deadbolts Very High Medium Main entry doors
Keyless Entry High High Smart homes
Biometric Locks Very High Medium High security