What is a lock cylinder, simply put, the lock cylinder refers to the part where the key is inserted. Its function is to open the lock door, and it has the magic power of pulling a thousand pounds, so the key to a set of locks is the lock cylinder. A good lock cylinder should be flexible to open with a key, and it should be strong and durable. More importantly, it should have a good anti-technical opening and violent opening.

Let's work with the hardware supplier corner to analyze how to choose the lock cylinder from many aspects.

The lock cylinder material includes aluminum, zinc, copper, alloy steel, etc. Aluminum and zinc lock cylinders are easy to break or wear, and it is very easy to open violently. It is recommended not to use lock cylinders made of such materials. Copper is used more, and the price/performance ratio is OK. Alloy steel is relatively expensive.

According to the principle of the lock cylinder, anti-theft locks can be divided into marble locks, magnetic locks, blade locks, smart door locks, fingerprint locks, remote control locks, etc. Both the marble lock and the magnetic lock are relatively old-fashioned locks, and they cannot be prevented from being opened by technology. The blade lock is relatively anti-technical to open better. Smart door card locks, fingerprint locks and remote control locks came into being out of today's science, but a considerable part of them also require a lock cylinder as a backup, so the lock cylinder must be replaced with a higher anti-theft level.

According to the inner structure of the lock cylinder, there are grades. At present, there are roughly A grade, B grade, super B grade (between B grade and C grade), and C grade. The further back the defense technology is, the better the opening performance.

Class A is the most primitive and unsafe lock cylinder. The owner's key is flat, with only one-sided and single-row bullet slots. Some cross keys are also classified as Class A. Such a lock can be opened in about two or three minutes. faster.

Grade B is a safer grade. From the key, it is double-sided and double-row bullet slots. If such a lock has a tool, it will take about 10 minutes for a skilled worker to open it.

Super B-level lock is a very safe level. From the key, it is generally double-sided and double-row bullet grooves, and there is a blade or curve next to it. The technical standard of such a lock cylinder design requires more than 280 minutes to open, and a skilled locksmith needs to open it. Take an hour.

Grade C is the safest grade at present. From the key, both sides are simple curved grooves. This kind of lock cylinder technology is very difficult to open.

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