How to replacement the cylinder and buy the mortise lock
Nowadays, many families have installed security doors for their homes for home safety. But is this safe? It is said that the thief can open those A-class lock cylinders in seconds, so how to buy the mortise lock replacement cylinder?
1. Look at the "teeth" of the key. The more teeth, the deeper the teeth, the more complicated the arrangement, the more difficult it is to open, and the better the anti-theft performance.
2. The key rotation is inserted into the lock cylinder. The anti-theft performance of the card is poor. After the key is half-inserted, use 5 to 7 minutes to rotate clockwise or counterclockwise and continue to press the key into the lock. The key of the card indicates that the lock core has poor anti-theft performance. The instructions for inserting the lock cylinder smoothly in the semi-rotation state are good.
3. Select the lock core to see the color, look at the work than the color. The quality of the lock cylinder is electroplated, the surface is smooth and the color is bright. Among them, the color is dark yellow, the copper core is relatively strong, the anti-theft performance is better, the color of the lock core is dim, the color is gray and the bubble is zinc alloy, and the anti-theft performance is general.
4. Pick the lock on the pound, one to see the lock core than the weight. The heavier the weight, the better the quality of the lock cylinder. The more beads in the lock cylinder, the better the anti-theft function.