Lock is the most important security of ordinary families part, because now lock picking or lock-home thefts increased, the degree of attention that people of the lock also increased significantly. But faced with a wide variety of locks, many buyers are confused because they either lock the price of a high or acceptable quality. So, how can we choose a nice and solid and durable safety locks it? Experts suggest you spotted the following key points:
See Materials
Lock on the market were basically divided into steel, copper, zinc alloy, iron & steel and aluminum. Stainless steel its strength, corrosion resistance, color change, is the best locks materials; copper more general, excellent mechanical properties, the price parity expensive; high-quality zinc alloy extremely resistant, very strong anti-corrosion, easy to shape, generally used to create mid-range lock.
At face value the deal with the general handling of surface plating, painting and rendering of three, by the surface treatment can right product forming a protective film played the role of corrosion and rust, while allowing Chanpingengjia beautiful and durable can directly Hengliang product quality good or bad. Good quality locks, commonly used plating, coating moderate, very even, bright color, no bubbles, signs of rust and oxidation.
Functional design and key components to see
Wide variety of locks, select what kind of lock, depending on where used. Major brands of high quality requirements for different functional requirements are very detailed product classification, such as channel locks, bathroom lock, storage room lock, door lock and so on.
See standards implementation
Abroad for the hardware lock has a very strict standard requirements, so the quality of imported products is relatively superior to the relative number. At present, the Ministry of Light Industry has a number of foreign standards, the original reference implementation of the GB modified into a more demanding current QB. To save the cost of small manufacturers do not follow the standards, but big brand products will be the implementation of production standards.
Buying tips
To select well-known, good quality, great brand has a long history, small manufacturers often through a number of direct sales agents or shops, there is no strength and stability of the system to do after-sales service network.
According to their economic capacity and actual use. The lock is different for different houses and doors designed villa apartment locks are higher, and prices are high, but there is no need to use common residential locks so expensive, the general entrance doors with stainless steel, copper or thicker Design of high-quality zinc alloy lock, door lock with a high quality Housing zinc alloy on a number of beautiful and durable will the economy.
To Dian weight, than the feeling, listening to the sound. This is a faucet with the challenge token, also known as stainless steel, copper or zinc alloy, a number of small brands will jerry-built with hollow materials and poor quality materials to create such a material Dian up and very light, the use of touch is also very poor, sounds boring; good lock and vice versa.
Depends on whether the specification and installation guidelines, Kung Fu is in the details, no two things can easily lead to wrong installation or will not use, even doors were destroyed.
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