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How to Ensure Maximum Safety with Threaded Hex Bolts in Construction Projects

Yuyao Cili Machinery Co., Ltd. 2025.04.07
Yuyao Cili Machinery Co., Ltd. Industry news

In construction projects, hexagonal bolts are an important fastener widely used in the connection of steel structures, mechanical equipment and other infrastructure. Hexagonal bolts carry important fixing and connection functions in buildings. They can ensure the stability and safety of various components. The correct selection, installation and maintenance of bolts are essential to ensure the overall safety of the building.

The selection of hexagonal bolts is crucial. The material, specification and strength of the bolts directly affect their performance in construction projects. When selecting bolts, the material must be determined based on the environmental conditions of the project and the load that the bolts need to bear. For example, in humid or corrosive environments, stainless steel bolts are the preferred material because they have good corrosion resistance. For some internal applications, carbon steel bolts are a common choice. The strength grade of hexagonal bolts also needs to be determined according to project requirements. Bolts of different strength grades are suitable for structures with different pressures. The required bolt strength and specifications are usually specified in the architectural design drawings, so these requirements must be strictly followed to ensure that the bolts can withstand the design load and avoid structural safety hazards caused by improper material selection.

During the installation of hexagonal bolts, accurate tightening operations are essential. The torque value of the bolt is the key to ensuring the tightening effect of the connection. Overtightening may cause thread breakage, while over-loosening may cause the bolt to loosen, thus affecting the stability of the structure. Therefore, during the installation process, use a calibrated torque wrench to ensure that each bolt is tightened according to the manufacturer's recommended value. Before installation, the lubrication of the bolts should also be checked. Using appropriate thread lubricants can reduce friction between threads, improve tightening accuracy, and prevent the bolts from wearing or getting stuck due to excessive friction. When installing the bolts, ensure that the connected components are aligned. If the connected parts are not aligned, the force on the bolts will be unevenly distributed, which can easily cause the bolts to loosen or break. Therefore, before tightening, be sure to ensure that the components are accurately aligned.

After installation, regular inspection and maintenance of hexagonal bolts cannot be ignored. Especially in construction projects under high stress environments, the performance of bolts may be affected by various factors (such as corrosion, wear or loosening) during long-term use. Regular inspection of the status of the bolts is key to ensuring that they continue to function. When checking, pay special attention to whether the surface of the bolts is rusted, corroded, or deformed due to excessive force. If these problems are found, the bolts should be replaced in time. Do not use damaged or overstressed bolts to avoid greater safety hazards caused by their failure.

In addition to routine inspections, some additional measures can be taken to enhance the safety of the connection. For example, in high-vibration or heavy-load applications, bolts may loosen due to vibration. Therefore, the use of locking devices such as locking washers, self-locking nuts or thread lockers can effectively prevent bolts from loosening. Locking washers and nuts ensure that the bolts are always tightened by applying additional pressure, which is especially important when construction projects involve large equipment vibrations. Some high-intensity application scenarios also require the use of double locking mechanisms such as double nuts to provide additional safety.

The construction industry has strict industry standards and safety specifications for the use of bolts. Ensuring that the bolts meet the relevant standards and specifications is the basic premise for ensuring safety. When selecting hexagonal bolts, it is necessary to ensure that they meet international and regional standards such as ISO, ASTM, and BS. These standards not only specify the material and specifications of the bolts, but also the manufacturing process and testing requirements of the bolts. Following these specifications can not only ensure that the bolts have sufficient strength and durability during use, but also reduce potential safety risks in the event of an accident. The installation of bolts in construction projects must strictly comply with relevant safety standards. Ensuring the technical level of construction workers is also key. Only trained professionals can correctly select and install bolts to avoid safety hazards caused by improper installation.