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Anonymous users2024-01-24Generally, there are two possibilities for this situation, the first is that most of the anti-theft lock cylinders are not distinguished from AB keys at both ends. Generally, even if the B key is screwed on the indoor side, the A key is also used. Only the outdoor side cannot be used.
So is this the case for yours? The other situation is the problem of the product. Both ends have forgotten the mechanical device of the plus end to identify the A B key, resulting in the A B key can be used, if the warranty period is not over, you can find the merchant or manufacturer to replace.
Saidian brand super B-level C-level idling anti-riot lock cylinder, anti-breaking, anti-technology opening, anti-violence opening, anti-prying, supervised by China's lock industry experts, the quality is very good.
The most important thing in the anti-theft door lock is the lock cylinder of the anti-theft door lock, the lock cylinder determines the quality of the door lock, there is a close relationship between the two, and the function and characteristics of the anti-theft door lock should be paid attention to when choosing the anti-theft door lock. Recommend a few you can see, BOMA Boma Buyang Baodean you can learn more specifically.
I have an anti-theft door in my own home, because there was a theft incident in the community some time ago, I didn't know what brand was good, and the neighbors recommended these brands: Qunsheng, Ruiyi, Wanjia, Xinduo, Longtai - Yihe, Dali Door, Tycoon these brands, neighbors said that these brands are cost-effective, I went to the market to see, it is really good, I also checked these brands on the Internet, the reputation is very good, some of them are still on the list of China's top ten brands of anti-theft doors on the online shopping and purchase of the top ten brands, are big brands, You can rest assured if you buy it.
The specific steps are as follows:
1. According to the installation size of the lock body, drill and chisel the installation hole of the lock body. >>>More
Anti-theft door, what kind of lock cylinder to choose? The most suitable and more anti-theft!
Hello, you can please have a regular lock change company with a record at the police station. Prices range from 50-500.