First, we must first understand whether the product has a factory name, site, trademark and whether there are professional inspection agencies issued by the recent inspection report.
Second, the appearance of the lock should be clear, the surface is not rough, feel comfortable. The lock turns on and rotates flexibly, and the locking device should work. When the hand feels, it cannot have a feeling of failure, and the security performance is better.
Third, the selection of materials should be moderate, feel strong and reliable, do not use low-cost quality and inferior materials made of various locks.
Fourth, the installation of the lock is also a key: installation must be strictly in accordance with the product specification, to understand the installation center distance, the scope of application and lock open method. Particular care must be taken not to install it on a wooden door with high humidity to prevent corrosion of harmful substances.
5. Keep the lock body clean at all times to prevent foreign matter from entering the cylinder of the lock cylinder, resulting in rolling at the time of opening, and even the lock cannot be opened.
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When people buy locks, they are generally worried that the locks are not durable or that the surface will rust or oxidize in a short time. This problem is related to the use of materials and surface treatment issues, from the perspective of durability, the best material should be stainless steel, especially as a surface material, the more the more light. Its strength, corrosion resistance, color unchanged. However, there are many types of stainless steel, which can be mainly divided into ferrite and austenite. Ferritic stainless steel is magnetic, commonly known as stainless iron, a long time, the environment is not good will rust, only austenitic stainless steel will not rust, the identification method is very simple, with a magnet to test can be identified. Today Xiaobian brings the common sense of locks to share with you.
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Hardware accounts for about 3%-5% of home-installed expenses, but the proportion is small, but it cannot be ignored. The hardware is divided into ordinary hardware and special hardware according to the function.
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Hardware accounts for about 3%-5% of home-installed expenses, but the proportion is small, but it cannot be ignored. The hardware is divided into ordinary hardware and special hardware according to the function.
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