The difference between b-level lock core and c-level lock core

In order to protect the safety of our lives and property, many people currently use anti-theft door locks. Anti-theft door locks have different anti-theft performance according to the different lock cores. The current anti-theft door locks on the market can be divided into A, B, and C. Kind of, then the difference between b-level lock core and c-level lock core , what should be paid attention to in the purchase of anti-theft door lock, the following article will introduce to you.

The difference between class b lock cylinder and class c lock cylinder: different keys used

The b-level lock usually uses a flat key, which basically uses double-sided double-row bullet slots. Compared with the A-level lock core, there will be an additional curved and irregular line on the key surface. At present, the b-level lock core on the market is mainly divided into points There are three types of brain double-row lock cylinder, double-row crescent lock cylinder and double-sided blade lock cylinder. The key of the C-class lock core is usually a single-sided blade inner milling slot or outer milling slot style, and there will be another blade or curve on the side.

The difference between b-level lock cylinder and c-level lock cylinder: different safety performance

Class B lock cylinder is a safer anti-theft level. Usually, the time to open the door lock is about 5 to 20 minutes, and the probability of mutual opening is higher. If you use a strong twist tool, you can open the lock cylinder in only 1 minute, while C anti-theft lock, It belongs to the super-safety level, and it cannot be opened after 270 minutes of detection by the relevant departments, and the mutual opening rate is almost zero. If a forced tool is used, it will cause the internal damage of the lock cylinder and the lock performance will be much better than the b level.

What to pay attention to when buying anti-theft door locks

1. Look at the "teeth" of the key

When buying an anti-theft lock, we can look at the shape of the key teeth. If there are more key teeth, deeper teeth, and complicated arrangement, the difficulty of being opened is greater, and the anti-theft performance is also better.

2. The purchase of anti-theft locks depends on weight and lock core

When we buy anti-theft locks, it is best to choose those anti-theft locks that are more important, have better lock core quality, and have more beads inside the lock core. The anti-theft performance of this lock is relatively high.

3. It seems that the color of your lock cylinder is also workmanship

High-quality lock cores are usually plated and the surface is smooth and bright. When choosing a lock core, the dark yellow color is a copper lock core, which is stronger and has excellent anti-theft performance. If the color of the lock core is off-white, it is usually zinc alloy Built, the anti-theft performance is more general.

4. See if the key inserted into the lock cylinder will be stuck

After the key is inserted into the lock cylinder, use a 5 to 7 force to rotate it clockwise or counterclockwise to slowly press the key in. If it will get stuck, it means that the anti-theft performance is poor. If the key can be inserted into the lock cylinder in a half-rotation state The surface has excellent anti-theft performance.

Summary of the article: The above is the relevant introduction about the difference between b-level lock core and c-level lock core, and what to pay attention to when purchasing anti-theft door locks. I hope to provide you with some help when purchasing anti-theft locks. Users can choose according to their own needs. Anti-theft lock with appropriate security performance.

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