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Anonymous users2024-01-24The quality of the lock cylinder directly determines the good and bad anti-theft performance of the anti-theft door, and the good and good anti-theft performance is one of the important factors in determining the performance of the anti-theft door, so the lock cylinder is easy to open, and the anti-theft door can not be completely judged to be good or bad, but it is also an important factor of concern, otherwise a lock cylinder with poor anti-theft performance, with a good (high thickness of the steel plate, many lock points) of the anti-theft door, in fact, the real role is not great.
Conclusion: A good anti-theft door must have a good anti-theft lock cylinder to be a really good anti-theft door.
At that time, I spent money to find someone to change it, and called him to ask him to come and reinstall it; If it's your own, reload it too; The initial diagnosis should be that the lock cylinder is not installed correctly or the lock cylinder model is not suitable.
There are three levels of lock cylinders for anti-theft doors, divided into A-level, B-level, C-level, A-level and B-level anti-theft performance is relatively low, familiar can generally be opened in seconds, C-level anti-theft level is the highest, relatively safe, the lock picking time takes 270 minutes, far beyond the range that thieves can bear to pick the lock, therefore, friends who use A-level or B-level lock cylinders at home should be replaced to C-level as soon as possible.
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It's quite simple to change the lock cylinder of the anti-theft door, just a diagram.
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