DIN 6915 is a technical standard that outlines the specifications for high-strength hexagon nuts with large width across flats, for structural steel bolting. This standard is essential for ensuring the safety and stability of structural steel assemblies in various industries, such as construction, engineering, and manufacturing. By providing detailed requirements for the dimensions, mechanical properties, and materials of these nuts, DIN 6915 plays a crucial role in promoting the reliability and integrity of structural connections. Complying with this standard is vital for achieving optimal performance and durability in bolted joints subjected to heavy loads and harsh environmental conditions. Overall, DIN 6915 serves as a valuable guide for engineers and manufacturers, contributing to the overall safety and quality of structural steel applications.