What is lock re-keying?

What is lock re-keying?

Lock rekeying is the process of replacing the pins of a lock with new pins. It was first invented by New Jersey locksmith Solomon Andrews in 1836 with his lock having adjustable tumblers and keys that allows the owner to rekey it at any time.

Rekeying is usually done if the keys to the lock were lost or stolen, as in the case of an employee who resigned but brought along the keys to the office, or a family moving in to a new home.

It is also done if the pins are already worn out and become too short to reach the shear-line.

With rekeying, all previous keys used to open the lock will be inoperative and will no longer fit into the lock’s pins.

If you move in to a new house and you found the house’s locks still in good condition, assess if the locks are of high quality. If they are, call a locksmith to do a rekeying of all the locks.

Rekeying an old but top quality lock costs less than buying new locks made with cheaper materials.

Lock rekeying is also done to build a master-key system, make a set of locks that share a common key, or to eliminate compromised keys.

Rekeying a lock involves removing the lock cylinder from the housing. The cylinder will then be disassembled and the plug removed using a plug follower so as not to lose the springs, top pins and master-wafers.

The plug contains cylindrical chambers with the pins inside. The new pins are then placed correctly in each of the chamber.


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