Locks are the most important safety components of ordinary families. Due to the increasing number of shackles or lock-ups, the degree of attention to locks has been greatly increased. However, faced with a variety of locks, many buyers are embarrassed, because these locks are either expensive or unsatisfactory. So, how can we pick a lock that is safe, easy to use and solid? The professor prompts you to look at the following key points:

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The lock data on the market is divided into stainless steel, copper, zinc alloy, iron steel and aluminum. Stainless steel has good strength, strong corrosion resistance and constant color. It is the best lock-making material; copper is more general, mechanical performance is superior, and the price is also expensive; high-quality zinc alloy is hard to wear and corrosion resistance is very strong, simple Molding, usually used to make mid-range locks.

Look at the appearance of disposal

The usual surface treatments are electroplating, spraying and coloring. After these external treatments, it can form a protective film on the products, which can prevent corrosion and rust. Together, the products can be used more beautifully and can directly measure the quality of the products. Bad. Good quality locks are usually treated with electroplating. The coating is moderate, very uniform, colorful, and free of bubbles, rust and oxidation.

Look at the features and key components

The variety of locks is complicated, and the choice of how to lock depends on where it is used. Big brands with high quality requirements have very detailed product categories for different functional needs, such as channel locks, bath locks, storeroom locks, and door locks.

See normative performance

Foreign hardware locks have very strict normative rules, so the quality of imported goods is relatively better than some. At present, the Ministry of Light Industry has learned some foreign norms to amend the GB that was originally performed into a QB with increasing demand. In order to save costs, small manufacturers do not perform according to the specifications, and big brands will fulfill their specifications when producing goods.

Acquisition tips

To choose large brands with high reputation, good quality and long history, small manufacturers are often sold directly through some agents or shops, without the strength and stability of the system network for after-sales service.

It must be used according to its own economic talents and practices. Different locks are depicted on different houses and doors. The demand for locks in villas is higher and the price is higher. However, there is no need to use such expensive locks for ordinary houses. Usually the door is made of stainless steel or copper. The high-quality zinc alloy lock is thickly painted, and the high-quality zinc alloy for the door lock is beautiful and economical.

It’s better to feel the weight than the feel. This is the same as picking the faucet. It is also claimed that stainless steel, pure copper or zinc alloy. Some small brands will cut corners and use hollow materials and defective materials to make them. This kind of information is very light and the hand feel is very poor. The sound is very stuffy; the good lock is the opposite.