How to match the lock cylinder of the anti theft door What is biased, it is best to be detailed. The

Remove the lock cylinder, measure the exact size on the line, buy the same size when buying, the bias is not decided to open inside and outside, it is related to the handle and the lock plate, the door also has a bias lock cylinder, there is also a positive lock cylinder, as long as the length is accurate, but also buy the same good,

Take the lock cylinder screw hole as the center, extend to both sides of the screw hole, one side is long and the other is short, and the short end is generally divided into length.

The anti-theft door lock cylinder level is better than the B-level anti-theft door lock cylinder. >>>More

There are three types of lock cylinders for anti-theft door locks, and the super B-level lock cylinder is the safest. >>>More

Divided into A-level, B-level, super B-level and C-level, the higher the level, the better the anti-theft, so people who don't know will often be pitted by the shop owner, change the lock cylinder or go to a regular company, there is a record, there is a guaranteed company, Chongqing has a Li Wen what city company is not bad!