Pin tumbler locks are by far the most popular lock today. Over half of the locks in use are of the pin tumbler type. They look similar to the wafer tumbler lock, but can easy be distinguished by their round pins, visible in the keyhole. There operation is also similar to the wafer type, but is more costly and requires much stricter machining tolerances.
In the lock's shell (main body) there is the keyway and three to eight (usually five) spacings drilled from the top of the lock into the keyway. This is similar in principle to the wafer lock. In each of theses spacings are two pins and a spring. The top pins are always the same length, while each bottom pins can each be any of ten different sizes (0-9).
This comprehensive and well illustrated handbook will enable the you to be savvy with different tidings on the pin tumbler lock.
You are going to get insight with detailed diagrams on following topics:
- Raking and Vibration picking Rapping
- Spool Pins
- Interlocking Pins