The anti theft door has not been locked for a long time, and the lock is useless after a while, but

Updated on Security door 2024-08-26
1 answers
  1. Anonymous users2024-01-24

    Add some lubricant for the lock cylinder or put in some pencil powder.

    If you can insert it and not turn it, it is a problem with the lubrication.

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What should I do if the lock in my house is a little loose and inelastic
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Fill it with a little lubricating oil (e.g. transformer oil, engine oil, etc.).