How to see the lock cylinder model

The model of lock core depends on the shape and size of lock core. Check the shape and size of the lock cylinder. Lock cores of different shapes and sizes have different models, such as cylindrical, spherical and semicircular lock cores. At the same time, pay attention to the details such as the size, length, diameter and protruding height of the lock core. Check the packaging and instructions. If the lock comes with its own packaging box, the model information is usually printed on the label of the packaging box or there is a detailed model description in the manual; If there is no packing box, you can try to uncover the lock cylinder shell to check the internal structure, and find the matching accessory model according to the internal structure, size, parts and other attributes. Check the logo on the lock cylinder box. Information such as model, brand and place of origin is usually printed on the lock core box, so that the model can be judged. Use the key. The model of the lock core of the door lock will be printed on the key, which is a convenient way to inquire. Looking for product identification. Many door lock products will be printed with product identification on the lock core or other parts, such as model information, production date, manufacturer and so on. Consult a professional. If the above methods can't determine the lock cylinder model, you can ask professional lock maintenance personnel or sales experts for help. In addition, according to the security level, lock cores are divided into class A and class B. The key of class A lock core is usually flat or crescent, while the key of class B lock core is flat or crescent, which is more secure.