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Anonymous users2024-01-23When cleaning the anti-theft door lock, you should be careful not to inject all kinds of oil into the lock core, because the dust that penetrates into the lock hole will mix with the oil, which will cause the spring and projectile in the lock cylinder to get wet, and the lock will be real'locks'Live.
02.In fact, after 2-3 months of use, the new lock cylinder will often be used for 2-3 months, and the key will not be smooth, and you may think that the quality of the lock cylinder is not good, but in fact, it has nothing to do with it, it is a normal phenomenon. At this time, you can add some graphite powder (pencil powder) to the keyhole to lubricate.
1.To change the lock cylinder of the anti-theft door, pay special attention to the size of the lock cylinder of the door, and then buy the lock cylinder of the same size in the cave after measuring it. If the size is not right, the newly bought lock cylinder cannot be installed, which is a very troublesome thing. >>>More
When buying an security door, you need to pay attention to various things, such as style, brand, etc. What are the precautions for buying an security door? PChouse will take you to find out. >>>More
Certificate of conformity.
The real anti-theft door must be tested by the statutory testing agency according to the standard, and there is a safety technology protection product license issued by the provincial public security department (bureau) where the manufacturer is located. >>>More
1.The anti-theft door is actually a general term for a type of door, as well as anti-pry doors, armored doors, security doors and so on. Whether the anti-theft door can play a substantial anti-theft role must be tested by relevant testing institutions. >>>More
Class A: It is the original unsafe lock cylinder, the key is flat, only a single-sided single-row bullet slot, including some cross keys, such a lock can be opened in about two or three minutes, and the familiar hand will be faster. >>>More