Methods of Rekeying
Rekeying is a method of making new keys by disabling lock tumblers of pad locks or locks where old pins are replaced with new ones.
When rekeying a lock there is a replacement of the pins that were there before with some new ones and the locks are normally done so to either master-key or re-key so as to stop any keys getting compromised.
In some cases the pins of the lock may be worn out and they need replacement with ones and there are cases where the pins may get shorter and cannot reach the shear-line and so when the key is used it cannot open the locks.
There is need to know what kind of key is to be made for a particular lock and many manufacturers give specific manuals for each particular lock and key.
Expert use a bit to remove the old pin so as to replace them with new pins and the key that was previously used cannot be used again and a new key with new shape that fits in the new pins are specially made to do so.
Rekeying makes it possible for new keys to be made for older locks but the old key cannot open the locks any more.
Locksmiths know how to make new keys that opens the old locks and the previous keys cannot open the locks.
Rekeying must be done by disabling the system and removing all pins and the springs and the pins which are in the chamber must be pushed in place so as to know if the key turns the lock.
Each pin seats on its own and the correct size of the pin must be put in the proper place so that they rest in flush with the shear-line and if the springs are weak they must be replaced with new stronger ones but if they are just dirty then washing them is necessary.
The new pins when replaced in the chamber must need to have new springs also because of wear that may be excessive and then when they have been placed correctly in the unused chambers the new cut key may be inserted and with some minor adjustments and reassembling key may be turned to see if it turns the key.
Rekeying is an art that is done by expert locksmiths who are very well versed in this complicated art and they are able to rekey any type of key including keys that are meant to open bank safes, car keys, home keys, pad lock keys and any other key that one may think of.
Locksmiths are experts who are well versed in making new keys and it does not matter what kind of lock it is.