Buying skills of the anti-theft door lock cylinder

1. The structure of the lock cylinder is very important. Generally speaking, the blade side column structure has better anti-theft performance than the ordinary marble structure.

2. Use the key to test the performance of the lock cylinder. First, insert the key halfway, and use five to seven points of force to turn the key into the lock. If it feels stuck, it proves that the anti-theft performance of the lock cylinder is poor.

3. The key structure can also be seen from the key tooth flower. The more complex the tooth flower arrangement structure and the deeper the tooth imprint, the better the anti-theft performance.

5. Observe the color of the lock cylinder of the anti-theft door. The high-quality lock cylinder is treated with electroplating, and the surface is smooth and comfortable.

It can be seen that the purchase of the anti-theft door lock cylinder needs to pay attention to the method. For example, use the key to test the performance of the lock cylinder. First, insert the key halfway, and use five to seven points of force to rotate the key into the lock. If it is stuck It feels that the anti-theft performance of the lock cylinder is poor.