DIN 7990 is a German standard specifying the requirements for hexagon head bolts with hexagon nut for steel structures. This standard ensures that these bolts meet specific criteria for dimensions, material properties, mechanical properties, and surface finish, providing a uniform guideline for manufacturers and users. The bolts covered by DIN 7990 are typically used in steel construction, facilitating the assembly and structural integrity of steel frameworks. The standard's focus on specific technical parameters ensures that the bolts possess the necessary strength, durability, and reliability required for their critical role in construction projects. By adhering to DIN 7990, manufacturers and engineers can ensure compatibility and safety across various applications, thereby supporting the structural stability of steel constructions in an array of environmental conditions.

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