What to do if the anti theft door lock fork key is not smooth

Updated on Security door 2024-09-13

1 answers

Anonymous users2024-01-24

Two things to explain, the first thing, don't oil the lock cylinder, no oil will work, then the lock cylinder will not work directly. The second thing, this situation is generally caused by the friction between the marbles or blades and the key, you can get some special lubricant for the lock cylinder (look for it on the Internet, there are a lot of them), or you can use the powder of the 2B pencil lead (scrape it off with a knife) on the key, gently reach into the lock cylinder, twist it a few more times and use it.

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