The Disadvantages of the Bullet Lock

The bullet lock has been around for more than 150 years, and is still widely used, and is a kind of lock that is more common on the market. However, due to the widespread use of the technique of marble lock, the disadvantages of the bullet lock are becoming more and more obvious, mainly showing the following three aspects:

1. The end of the bullet is exposed and the working schedule is short, the projectile can be directly touched by foreign bodies (wire hooks, etc.) and is easy to be opened by technology.

2. Non-lock keycane into the lock core, easy to cause the key open and key teeth open each other. Home keys can enter other people's home lock, and some can even open someone else's home lock.

3. Keys can be formulated at will. People with keys can be found everywhere in the market.

4. With a key mold of the bullet lock, you can easily open the door in ten seconds by placing the tin paper. It's simply not defenseat.