Locks are the most important safety components of ordinary families. Due to the increasing number of shackles or unlockings, the importance of locks has increased. But in the face of a variety of locks, many buyers are confused, because these locks are either expensive or unsatisfactory. So, how can we pick a safe, usable and durable lock? The expert prompts you to look at the following key points: The lock material on the market is basically divided into stainless steel, copper and zinc alloy. High-strength stainless steel, strong corrosion resistance, no discoloration, is the best lock material; copper is more versatile, mechanical properties are superior, and the price is higher; the lock high-quality zinc alloy is strong and wear-resistant, corrosion-resistant, and easy to form. Mostly used for mid-range locks. Second, look at the surface treatment of the lock The surface treatment is roughly divided into electroplating, spraying and coloring. The locks form a dense protective film on the surface of the product through surface treatment, which acts as anti-corrosion and anti-rust, making the lock more beautiful and durable. The dense protective film is also a standard for measuring the quality of locks. The locks of good quality are mostly plated, the coating is fine and smooth, even and moderate, the color is bright, and there are no signs of bubbles, rust and oxidation. Third, see the lock implementation standards Foreign countries have very strict standards for hardware locks, so the quality of imported products is relatively high. We can feel the quality of the locks. Generally speaking, the heavy lock has a relatively high quality; the lock body can not be pointed, and the tip is easy to injure, especially the lock handle end, the lock tongue and the lock body are three positions; the lock spring is good. Flexible opening, high sensitivity and long service life. There are also many styles of locks, so be sure to keep in mind the style of the interior doors. Concerned about surprises Tags: teach you, pick, door, hardware locks Previous: Door locks open and free interchangeable Next: 2014 China locks top ten brand ranking analysis Plant extraction is a process that aims to extract certain components
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A look at the lock material 