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Anonymous users2024-01-24Generally, regular products have regular packaging, and the keys are generally sealed.
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Anonymous users2024-01-23Choose an anti-theft door lock The lock cylinder is not closed, and the unpacked one can't be wanted?
Choose an anti-theft door lock The lock cylinder is not closed, and the unpacked one can't be wanted? 1. The structure of the lock cylinder is very important, generally speaking, the blade side column structure has better anti-theft performance than the ordinary marble structure. 2. Use the key to try the performance of the lock cylinder, first insert the key half-in, use five to seven parts of rotation to put the key into the lock mouth, if there is a feeling of being stuck, it proves that the lock cylinder has poor anti-theft performance.
3. The key tooth flower can also be seen the key structure, the more complex the tooth flower arrangement structure, the deeper the tooth marks, and its anti-theft performance is relatively good for the side branches. 4. The more steel beads contained in the lock cylinder, the better the quality of the lock cylinder will be. 5. Observe the color of the lock cylinder of the anti-theft door, the high-quality lock cylinder is treated by electroplating, the surface is smooth and smooth, and the feel is comfortable.
It is best to choose a dark yellow copper core material, which is stronger and has better anti-theft performance; If the color of the lock cylinder is dull, it is likely to be made of zinc alloy, and the anti-theft performance is average.
The so-called ABC lock cylinder or what super B-level lock cylinder is just a shh The anti-technical opening performance is required to be no less than 1 minute for Class A and not less than 5 minutes for Class B; The mutual opening rate of grade A is required to be no more than 3/10,000, and grade B is required to be no more than 1/10,000. >>>More
Ordinary anti-theft locks are universal, and some high-end anti-theft locks with chips are not universal.
Cylinders are the key to security. At present, the lock cylinder is made of pure copper, and the type and level of the lock cylinder are more important. Generally speaking, there are three types of security levels of lock cylinders, A-level, B-level and super B-level. >>>More
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.