What do keys go into?

What is the hole a key goes into called?

Keyhole The hole into which the key enters to operate the lock or latch. It is often referred to as the keyway, particularly in a cylinder mechanism.

What are keys used for?

A key is a device that is used to operate a lock (to lock or unlock it). A typical key is a small piece of metal consisting of two parts: the bit or blade, which slides into the keyway of the lock and distinguishes between different keys, and the bow, which is left protruding so that torque can be applied by the user.

What holds the key to the door?

The Cylinder: Also called the body, this is the part where the key is inserted. When it is locked, a series of spring-loaded pins are engaged by the cylinder. This keeps the cylinder from turning. The Bolt: Also called the latch, the bolt engages the inside of the door.

How does a key work in door?

When a key is inserted into the lock they press against the pin tumblers forcing them into the upper chamber pins and compressing the springs. They pins are then pushed to align flush with the shear line. The pins are designed to be different in height and configuration.