Hidden lock lock in the current market is divided into class A and class B, class B, etc. "Consumers can identify by billiard row number of how many lock is good or bad. In general, more night lock is better than that of the single night lock, multiple line contact night lock and is superior to the ordinary night lock." Experts told the editor, the cost is much higher than A level B class lock lock, therefore, the market most of the lock brand products are grade A lock. "Security door keys if only one row of marbles, basic is A level lock. If you feel safe enough, can change into A class B or super class B lock core, improve the overall security performance of guard against theft."
Qualitative work is also very important
"In addition to the lock, hardware fittings quality is also key." Experts told the editors, stealth lock of material of aluminum alloy, stainless steel and copper, among them, the worst the strength and durability of aluminum alloy, copper is best, but the price is higher also. Copper "is also a lock, the workmanship and quality of each brand difference is big, the average consumer is difficult to distinguish." The sales staff said that consumers want to buy the "lock", the only thing to do was more than door lock, every five years to "heart"
"General stealth lock use fixed number of year long, lock will naturally wear and tear, it is easy to tooth forms keys to open." Lao shifu said near a lock with a key, ordinary locks in use after five or six years, must change a lock core.
Editing remind owner, many village security doors and stealth lock are made by real estate developers unified purchase, installation, and mostly is not particularly good quality locks. "Mass use of the same type of lock in the same neighborhood, in theory, in" a lock to open several "risk will increase. Many communities reflect the new people, often have the wrong unit, opened the door only to find that is not their home." Edit remind users, if don't change the lock for a long time, can produce more serious security hidden danger.
Generally invisible lock use fixed number of year long, lock will naturally wear and tear, it is easy to tooth forms keys to open. If don't change the lock for a long time, will result in more serious security hidden danger, is very likely to be a lock for a few home, so must ensure the quality of accessories, hardware lock to avoid unnecessary trouble.