On the market, hardware locks are categorized into various types, and the processing technology is diverse. The specifications are not the same. How to choose the hardware locks on the door, the following are some hardware manuals, and there are detailed explanations on how to select hardware locks.
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A look at the lock material
The lock materials on the market are basically divided into stainless steel, copper and zinc alloys. Stainless steel has high strength, strong corrosion resistance and no discoloration. It is the best material for making locks; copper is more general, mechanical properties are superior, and the price is higher; locks are high-quality zinc alloys strong wear-resistant, strong corrosion resistance, and easy molding. Mostly used for mid-range locks.
Second look at the lock surface treatment
Surface treatment is roughly divided into electroplating, spraying and coloring. The surface of the lock is used to form a layer of dense protective film on the surface of the product, which can play a role in anti-corrosion and anti-rust, making the lock more beautiful and durable. The dense protective film is also a measure of the quality of locks. Good quality locks are mostly plated. The coating is delicate, smooth, even and moderate, bright in color, free of bubbles, signs of rust and oxidation.
Three to see the standard implementation of locks
Foreign countries have very strict standards for hardware locks, so the quality of imported products is relatively high. We can feel the good or bad of our locks. In general, the feeling of heavy locks, the quality is relatively high; the lock body can not be exposed, the exposed point is easy to hurt, in particular, should pay attention to the lock handle end of the lock, the lock tongue and the lock body four positions; lock spring good locks Flexible opening, high sensitivity and long service life. Locks also have a variety of styles, and must be consistent with the style of the interior doors. 