What is the act of changing the lock cylinder of the anti theft door lock?

The lock cylinder is easy to replace, first remove the old one, and buy a new one according to the old one. Then replace it and you're good to go. >>>More

That's basically it.

Only the lock cylinder of the same type can be loaded into the original lock cylinder hole. >>>More

It depends on what kind of lock you get, some are of good quality and some are of average quality. Under normal circumstances, not the whole lock is changed together, and the lock cylinder is changed more, the general forty or fifty can be, and the better ones are seventy or eighty. Generally, when you go to find a lock to change the lock cylinder, it is installed in a package. >>>More

The size of the lock cylinder of the anti-theft door, if you have a strong hands-on ability, you can remove it and measure it, based on the distance between the middle screw hole and the two keyholes, of course, if you are troublesome, you can simply measure it, as shown in the figure below, you only need to measure L1 + L2. >>>More

You can replace it yourself! It's very simple, remove the lock cylinder, buy a new one of the same model and install it.