How do keys work?

How does a key actually work?

When the correct key slides into a lock, the pointed cuts on the blade allow the pins to move up and down until they are lined up along track that's called a shear line. When all the pins are synchronized with the shear line, they can turn and the lock will open.

How does a key lock?

When the right key slides into a pin-and-tumbler lock, the pointed teeth and notches on the blade of the key allow the spring-loaded pins to move up and down until they line up with a track called the shear line. When the pins align with the shear line, the cylinder can turn and the lock will open.

How do master keys work for multiple locks?

Master key system is a system that allows two or more keys to open one lock. Master keys will be able to open multiple locks. The greater the difference between the master key and the change key, the more master wafers will be needed. The more master wafers, the more possible keys can open the lock.

Can a key open two different locks?

Any key that can open two or more locks is considered a master key. Many master keys use pin and tumbler locks. For a master key to work, though, there must be something called master wafers inside the lock. When the master wafers line up, the key and lock can turn freely.