Anti-Theft lock is divided into three levels: A, B, super B. Anti-Theft lock Lock level determination, can be distinguished from the key.
1. A-level lock
The market A-level anti-theft lock key mainly has a word key and cross key. The inner structure of a-level lock is very simple, limited to the change of marbles, and the billiard groove is small and shallow. Anti-Technical opening time within 1 minutes, the rate of mutual opening is extremely high. The billiard structure is a single row of marbles or a cross lock.
2. Class B Lock
B-Class lock key for the flat key, there are two rows of billiard groove, and A-level lock is different from the key is a row of irregular lines. The main type of lock core is 3 kinds, computer double row lock core, double row Crescent lock core, double sided vane lock core. Anti-technical opening time within 5 minutes, high rate of mutual opening. The lock core can be opened in 1 minutes by means of a strong twisting tool.
Generally now the majority of the unified configuration of the lock core for the prevention of technology to open a low level or B-level anti-theft lock core. According to national standards, a-level lock-core technology opening time of 1 minutes, B-class lock-core technology opening time of 5 minutes. And in just a few minutes, can not fight against the thief now use the high intelligent unlock tool, common A-level anti-theft lock in the locked state, the thief using foil with the tool, in just a few seconds can be opened.
3. Super-B Lock
The key shape is a single blade inner milling Groove or outer milling slot key, the lock core type is the Beng lock core; 270 minutes after the Ministry of Public Security detection can not be opened technology, the regional mutual opening rate of 0 (one million one out of 10,000). The billiard structure is a double row vane plus a V-type edge-column lock, and if the lock core is opened with a strong twisting tool, the inner of the core is destroyed and the self explosive lock dies, which can not be opened. Because it is not easy to open, anti-theft coefficient is the highest, home anti-theft recommended use of Super B-level lock.
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