-
Anonymous users2024-01-24It depends on which type of double lock cylinder it is. There are three types of lock cylinders for anti-theft door locks, and the super B-level lock cylinder is the safest. Level:
The key is flat or crescent type, with a row of concave key slots on one or both sides or a cross type with convex key slots on four sides; Grade: The key is flat or crescent type, with two rows of concave key slots or cylindrical multi-point concave key holes on one or both sides; 3.Super B Grade:
The key is flat type, with two rows of concave and S-shaped key slots on one or both sides, or double snake key slots inside and outside; Choice: The safest lock cylinder has been upgraded to B-level and super B-level, and it is best to choose super B-level when purchasing.
-
Anonymous users2024-01-23It depends on which type of double lock cylinder it is.
It is best to buy anti-theft lock cylinders to find regular hardware lock merchants to buy, and look for the trademarks of regular manufacturers.
Hello, you can please have a regular lock change company with a record at the police station. Prices range from 50-500.
Regular lock picking companies and hardware lock shops, such as (Li Wen lock city, actually home) and so on.
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 quality of the lock cylinder of Jiaheng anti-theft door is good, about 120 yuan.