Now the hardware locksin life are more common. It can often be seen in our home, so some hardware lock purchase common sense is everyone should know. Let's take a look at how to pick it.

See standard

    There are very strict standards for the hardware lockouts abroad, so the quality of imported products is relatively high. We can do it to feel the good and bad. In general, the thick lock is relatively high; the lock body can not be delayed, the sucking is easy to hurt, especially pay attention to the lock of the lock, the lock and the lock body in the four positions; lock spring is good The lock is open, the sensitivity is high, and the service life is also longer. There are also a variety of styles in the lock, must pay attention to the style of the indoor door.

2. Look at the material

    Materials on the market are basically divided into stainless steel, copper and zinc alloy. High stainless steel strength, strong corrosion resistance, no change, is the best lock material; copper is generally universal, superior mechanical properties, high price; lock high quality zinc alloy is strong and wear, corrosion resistance, and easy to form, Many for mid-range locks.

3. Surface treatment

    Surface treatment is roughly divided into three kinds of electroplating, spraying and coloring, forming a layer of dense protective film on the surface of the product, and the lock is more and more and more durable. The secret protective film is also a standard, the quality of the lock quality, the quality of the latch, which uses electroplating treatment, and the plating is delicate and smooth, uniform, bright, non-bubble, rust, and oxidation signs.

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