Anti-theft security door with which lock is better
To find a copper lock the key to the more the better teeth
Lock cylinder: ordinary A-level lock cylinder is more common, inexpensive, but the effective long life, ultra-B-level lock core technology to open the tiger tigers depreciation time, longer prices, but short life The Lock body: mechanical lock body is not easy to bad, easy to open the body of the bad.
Anti-theft door lock level A-level in the lock cylinder, the most common is the A-level cylinder, they are also the lowest level of anti-theft door lock core. Almost ordinary anti-theft doors on the market are using the A-level cylinder, usually from the key shape can be seen that they belong to the A-level lock, the shape of this key has a word key and cross points. Because of their internal structure is very simple, inside the ball slot is very small, and the location is also relatively front, there is no tamper ability, usually used in the bedroom or living room, for the best way out do not choose. Anti-theft door lock level B and A-level lock is different, B-lock has a double row of marbles slot, and their key design of the non-standard curve, anti-theft door lock cylinder level higher layer, There are three pairs of computer, double-sided leaves, two rows of cresds three, you can ensure that the anti-tamper performance of fifteen minutes. Now a lot of residential or residential families are using this high safety factor B-class cylinder. Because of their higher safety factor, the price has risen, B-class lock cylinder price between one hundred to three hundred dollars. Anti-theft door lock core level of ultra-B-class ultra-B-level anti-theft door lock cylinder level is higher, their lock cylinder showing a column-shaped, the shape of the key is single-sided blade within the milling slot or outside the milling slot. After a lot of detection and research, this ultra-B-class lock core security tamper time in six hours, if the thieves are strong means to use, then the lock will automatically card column, resulting in the situation can not be opened The Usually they are some shops, businesses or factories the best choice, safe and secure and reliable, users can be completely assured that with the improvement of people's living standards, there are many families began to choose this lock core.
