Hardware door lock also has a shelf life Every five years to "change heart"
It is understood that the current market in the lock cylinder is divided into A-level, B-level, Super B-level and so on. "Consumers can identify the quality of the lock cylinder by how many rows of marbles. In general, multi-row marble locks are better than single row marble locks, and multi-row stealth marble locks are superior to ordinary multi-row marble locks."
Advanced lock cylinder more anti-theft
China is the world’s largest producer and consumer of locks. The locks industry has annual sales of more than 40 billion yuan and the production capacity exceeds 2 billion sets.
The editor entered the hardware lock zone of the new store in Phoenix, and saw the locks with the same appearance. Due to different materials and workmanship, prices ranged from a dozen to a few hundred dollars.
It is understood that the current market in the lock cylinder is divided into A-level, B-level, Super B-level and so on. "Consumers can identify how good the cylinders are by how many marbles are arranged. Generally speaking, multi-row marble locks are better than single row marble locks. Multi-row stealth marble locks are also superior to ordinary multi-row marble locks." Editor's note, the manufacturing cost of Class B lock cylinders is much higher than that of Class A lock cylinders. Therefore, most of the products introduced by lock brands in the market are Class A locks. "If there is only one row of marbles for the anti-theft door key, the basic one is the A-level lock cylinder. If you feel that it is not safe enough, you can replace it with a Class B or Super B lock cylinder to improve the overall anti-theft performance of the security door."
Material work is also very important
“In addition to the lock cylinder, the quality of hardware accessories is also critical.” Experts tell the editors that the material of locks is generally aluminum alloy, stainless steel and copper. Among them, the strength and durability of aluminum alloys are poor, copper is better, but The price is also higher. “Also is a copper lock. The difference in workmanship and quality of various brands is also very large. It is very difficult for ordinary consumers to distinguish.” The salesman said that if consumers want to buy a “safe lock,” the approach is to compare and The brand's locks are very delicate and workmanlike, and the work of the low-end locks will appear to be rough. In addition, the sound of the good locks is usually very crisp at the time of opening, and the low-end locks will appear loose when the keys are inserted, and the sounds are mostly boring when the locks are opened.
Every five years, the door locks have to change their mind.
"The general lock has a long service life, the lock cylinder will naturally wear out, and it is easy to be opened by a key with a similar tooth shape." A nearby master who unlocked the key said that ordinary door locks must be replaced after five or six years of use. A lock cylinder.
The editor reminded the owners that many residential security doors and door locks were purchased and installed by real estate developers, and most of them were not particularly good quality locks. “The same type of door locks are used in large numbers in the same community, and in theory, the chance of 'locking a few doors' increases. Many newcomers in the community report that they often have the wrong unit. , Open the door but found that it is not their own home.” Editors remind users, if you do not replace the lock cylinder for a long time, it will have more serious security risks.