How many different types of keys are there?

Are 2 keys ever the same?

No two copies of keys are exactly the same, even if they were both made from key blanks that are struck from the same mould or cut from the same duplicating/milling machine with no changes to the bitting settings in between.

What are 4 sided keys used for?

Double-Sided & Four-Sided Key - These types of keys have either two or four sets of teeth on them and are most commonly used for home locks. We recommend the four-sided key, as it is more durable and the extra teeth make the lock more difficult to pick.

How many types of lock and key are there?

More Considerations for Door Locks There are plenty of other door locks, and many fall within the seven categories of knob locks, deadbolt locks, cam locks, padlocks, mortise locks, smart locks and keypad locks. For example, lever handle door locks are used for inner doors and work much like knob locks.

What is a Long key called?

Tubular keys are used to unlock tubular pin tumbler locks, and are sometimes referred to as “barrel keys”. They have a hollow, cylindrical shaft that is larger in diameter and shorter than traditional keys.