What is the difference between the anti theft door lock core with steel sleeve and the ordinary one?

The differences between heaven and earth locks and ordinary anti-theft door locks are: >>>More

1. What is a Class B anti-theft lock?

Understand that it is not so easy for B-class locks. In other words, the more complex the cylinder, the longer it will take to unlock. Most of the home security doors on the market are Class B locks. >>>More

Each lock cylinder key is different, the difference is that the appearance of the center distance is different, the lock cylinder is removed, the positive core lock is stuck in the middle, and the eccentric lock is stuck in the upper half. And the lock cylinder is both long and short. >>>More

Now the blade lock is ok. High level of anti-theft.

It mainly depends on what kind of door you are. This should also be matched. >>>More

Most of the places where security doors are sold have lock cylinders, and of course, there are also places to repair locks.