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Fasteners are essential general-purpose basic components that are used in almost all industries, including machinery, metallurgy, electrical equipment, instrumentation, petroleum, chemicals, textiles, construction, transportation, hardware, energy, and more. The main types include threaded fasteners, washers, pins, and rivets. With the continuous advancement of industrial technology, new types of fasteners are constantly emerging, and the requirements for performance and precision are increasing, which makes the importance of heat treatment ever more prominent. To improve the performance of fasteners, they are subjected to a hot-dip galvanizing process. Hot-dip galvanizing is a process technique used to treat the surface of metals, primarily to enhance their corrosion resistance. So what are the advantages of hot-dip galvanized fasteners? 1. Good reliability: The galvanized layer forms a metallurgical bond with the steel, becoming part of its surface; therefore, the durability of this coating is reliable. 2. Comprehensive protection: Every part of the coated item can be covered with zinc, ensuring thorough protection even in recessed areas, sharp corners, and hidden spots. 3. Low treatment costs: The cost of hot-dip galvanizing for rust prevention is lower than that of other coating methods. 4. Time and effort savings: The galvanizing process is faster than other coating methods, and it eliminates the need for additional painting after installation on site. 5. Durability: In suburban areas, a standard hot-dip galvanized coating can last over 50 years without requiring repairs; in urban or coastal areas, it can last around 20 years without repairs. 6. High toughness of the coating: The galvanized layer creates a special metallurgical structure that enables it to withstand mechanical damage during transportation and use.