The first known example of a tumbler lock was found in the ruins of the Palace of Khorsabad built by king Sargon II (721–705 BC.) in Iraq. Basic principles of the pin tumbler lock … See more

A tubular pin tumbler lock is a pin-tumbler lock with a round keyway.
A dimple lock is a pin tumbler lock where the See more

Lock picking
The basic pin tumbler lock alone is vulnerable to several lock picking methods. The most … See more

The pin tumbler is commonly used in cylinder locks. In this type of lock, an outer casing has a cylindrical hole in which the plug is housed. To … See more

Commonly pin tumbler locks are found in a cylinder that can be easily unscrewed by a locksmith to facilitate rekeying. The first main advantage to a cylinder lock, also known as a profile cylinder lock or euro, is that the cylinder can be changed without altering the … See more

A master-keyed lock is a variation of the pin tumbler lock that allows the lock to be opened with two (or more) different keys. This type is often used for doorlocks in commercial buildings … See more

• Key relevance
• Magnetic-coded lock
• Wafer tumbler lock See more