Change the lock cylinder, do you know how to choose the size?

Z0z has already introduced you how to distinguish the model of the lock cylinder. Today, I will introduce how to measure the size of the door lock cylinder. The length of the lock cylinder is related to the thickness of the door. Generally, the length of the lock cylinder is 15-20mm longer than the thickness of the door. Of course, the proper length of the lock cylinder does not mean that the lock cylinder can be used. The door is divided into inner lock and outer lock from the position of the lock core screw hole. Under normal circumstances, the thickness of the inner lock is narrower than the outer lock. Of course, there are special cases where the inner side is wider than the outer side.

The description of the lock cylinder size is from the screw hole of the lock cylinder to the shorter one. For example, the thickness of the anti-theft door is 70mm, and the length from the screw of the lock cylinder to the inner surface of the door is 25mm, then the total length of the lock cylinder is 90mm, from the middle The size of the screw hole to the shorter end is 32.5mm, then the size of the lock cylinder is 90 to 32.5. In this way, if it is inconvenient to remove the lock cylinder, you can also buy a suitable one according to this measurement method Lock cylinder.

If you have strong hands-on ability, you can remove the lock cylinder by yourself, directly measure the size, buy it in the store, and then replace it. It is best to find it with the lock cylinder.

If you have a friend who can't remove the lock, don't worry about me. Next time I will teach you how to remove the lock cylinder and the matters needing attention when removing and installing.