Release time：2020-01-16 18:44 Browse：
First, the basic characteristics of lengthening outer hexagonal bolts
The extended outer hexagon bolt, as the name suggests, is a fastener that increases its length to meet specific connection needs on the basis of the traditional outer hexagon bolt. This design allows the bolts to travel through thicker layers of material, or to maintain a stable connection even when greater preload forces are required. The outer hexagonal shape is not only easy to tighten with tools such as wrenches, but also enhances the strength of the bolt head, effectively preventing head damage caused by excessive torque. In addition, the elongated outer hexagonal bolts are usually made of high-strength alloy steel, ensuring their stability and safety when subjected to large loads.
Second, the advantages of yellow zinc plating process
Yellow zinc plating is a treatment technology in which zinc metal is attached to the surface of bolts by electroplating. This process not only gives the bolt a golden appearance, but more importantly, significantly improves its corrosion resistance. Zinc is a reactive metal, and when it comes into contact with oxygen and water vapor in the air, it will preferfully oxidize, forming a dense zinc oxide film covering the surface of the bolt, thereby preventing further corrosion of the substrate. This "sacrificial anode" protection mechanism enables yellow zinc plated bolts to maintain a long service life in a humid and corrosive environment. At the same time, the appearance of gold also adds a bit of nobility and elegance to it, making it widely used in some occasions where there are requirements for beauty.
3. Application fields
The application field of yellow zinc plating for extended outer hexagon bolts is extremely wide, covering almost all industries requiring high-strength connection and anti-corrosion treatment. In the field of construction, they are used to connect important components such as steel structure frames and bridge supports; In the automotive industry, it is the first choice for fastening core components such as engines and gearboxes; In the electric power, petrochemical and other heavy industries, it is favored for its excellent corrosion resistance and carrying capacity. In addition, with the rise of outdoor furniture, landscape sculpture and other products, yellow zinc plated bolts have become a new favorite in these fields because of the perfect combination of beauty and practicality.
Fourth, installation precautions
Although the lengthened outer hexagon bolt yellow zinc plating has many advantages, the following points still need to be paid attention to during the installation process to ensure the safety and reliability of the connection. First of all, the appropriate bolt specifications and materials should be selected according to the actual needs to avoid too large or too small to cause the connection is not tight or damaged. Secondly, the bolt surface should be checked for damage or rust before installation to ensure that the coating is intact. In the fastening process, the correct tools and methods should be used to avoid excessive tightening leading to bolt breakage or thread damage. Finally, for the connection of important components, regular inspection and maintenance should be carried out to discover and deal with potential safety hazards in a timely manner.
