Then when the door lock is badly oxidized and needs to be replaced, there are several key suggestions for selecting the individual door lock:
1, anti-theft door lock surface treatment There are generally three kinds of anti-theft door lock surface treatment: electroplating, spraying and coloring. Through these surface treatments, a protective film can be formed on the product, which plays a role in corrosion prevention and rust prevention, and at the same time makes the product more beautiful and durable, which can directly measure the quality of the product. See if the surface of the lock is flat and smooth. Generally, anti-theft locks with good quality are electroplated. The coating is moderate and uniform, with bright color and no signs of bubbles, rust and oxidation.
2. The mutual opening rate of anti-theft door locks is also the guarantee of the security of anti-theft door locks. Mutual opening rate refers to the ratio of lock to key. The fewer locks a key can open, the safer the anti-theft door lock is.
3, anti-theft door lock material anti-theft door lock material can not be ignored, it is related to the firmness of the lock. At present, the anti-theft door lock materials on the market are basically divided into stainless steel, copper, zinc alloy, steel and aluminum. Stainless steel has good strength, strong corrosion resistance and unchanged color, and is the best lock-making material. Copper is universal, superior in mechanical properties and expensive; High-quality zinc alloy is strong, wear-resistant, corrosion-resistant and easy to form, and is generally used to manufacture mid-range locks. When purchasing, carefully look at the material of the lock and choose a thick, wear-resistant and heavy anti-theft door lock.
4, anti-theft door lock quality inspection report to see whether the product has passed the inspection of the relevant national quality inspection departments, usually the technical indicators of inferior door locks can not meet the national standards, carefully check whether the accessories in the door lock packaging are complete.
If the anti-theft door lock at home is badly oxidized, it is better to replace it. After all, door lock is a very important thing, which can ensure the safety and privacy of the house, and a good quality lock can also reassure yourself. After all, a rusty and oxidized door lock is easily broken and pried open, which is very unsafe.
Generally speaking, if the anti-theft door lock at home is seriously oxidized, you can find a locksmith or master to repair or replace it. Of course, the replacement also needs to ensure the quality and qualification of the new lock. After all, everyone knows the importance of door lock.