HANSHIN NEJI (THAILAND) CO.,LTD.

How to select hex bolts for improved durability

Hex bolts for precise fastening, supporting your project.
Hex bolts are essential components for the assembly of machinery and structures. With their hexagonal heads, they can be tightened with a wrench, allowing high tightening torque to be applied, making them suitable for applications requiring strong fastening. This article will explain their features and specifications in detail, and introduce how to select the appropriate hex bolt.
Features
The primary features of hex bolts are their durability and stable fastening strength. Available materials include iron, stainless steel, and aluminum, allowing selection based on the application. Furthermore, they undergo processing such as surface treatment for rust prevention, enabling them to withstand long-term use. The hexagonal head can be easily handled with common tools, making ease of maintenance one of its advantages.
Specifications
Hex bolt specifications vary widely depending on size, length, material, and strength grade. Sizes range from M2 to M30, and it is necessary to select the appropriate one according to the application. Lengths also vary widely, from 10mm to 300mm, and are selected to match the thickness of the assembled object. It is important to choose the material based on the application; if exposed to external environments, stainless steel or those with rust-preventative treatment should be selected. Strength grades range from 4.6 to 12.9, and selection is recommended based on the magnitude of the load.
For selecting hex bolts, it is crucial to accurately understand the application and choose the appropriate material, size, and strength grade. By considering these points, you can significantly contribute to the success of your project.
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How to select hex bolts for improved durability

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