Buy high quality hardware locks

First, look at the implementation of the standards of foreign hardware locks have very strict standards, 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.

Second, look at the lock material market, the lock material is basically divided into stainless steel, copper, zinc alloy. 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.

Third, look at the lock surface treatment (home improvement supervision)

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.