This standard, EN 14399:2005, defines the requirements for high-strength structural bolted assemblies. It covers a comprehensive range of bolted assemblies used in civil applications. The standard outlines guidelines for the design, manufacture, inspection, and testing of bolted assemblies to ensure their performance. It also specifies the componen

DIN 931 defines the specifications for six-sided head fasteners. These bolts are widely employed in diverse fields, from automotive engineering tomanufacturing. The DIN 931 standard covers parameters such as length and thread type. It also establishes requirements for material grade and accuracy. Complying with DIN 931 ensures reliable connection