Recently moved to a gym that uses padlocks for locking your stuff, they sell them too for an inflated price of 3.5$, jokingly I tried my key on a friend’s lock, and one more random one, of course it didn’t work and it made me curious.
My question is how do factories make all keys/locks different even at these cheap mass produced kinds that are probably sold for 0.5-2$, how is it worth for a factory to “use different patterns” at that price, or how do they do it?
In: Engineering
Locks have pins inside of different lengths and they have to line up at the same spot to turn the lock. You just set a machine to put in the ones of the same length to match a key.
Some locks have the code printed on the keys. 17432 for example are the pin lengths. Size 1 then 7 then 4 then 3 then 2.
Some locks use a coded algorithm and might have 2314 on them which actually decodes to 17432 for pin lengths.
Look up Lock Picking Lawyer or Deviant Ollam on YouTube for more info.
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