This specification, EN 14399:2005, defines the requirements for high-strength structural bolted assemblies. It covers a comprehensive range of bolted assemblies used in engineering applications. The standard establishes procedures for the design, manufacture, inspection, and testing of bolted assemblies to ensure their performance. It also specifie

DIN 931 outlines the standards for six-sided head bolts. These nuts are commonly used in diverse applications, from structural engineering toassembly. The DIN 931 standard covers parameters such as length and thread pitch. It also establishes criteria for material grade and accuracy. Complying with DIN 931 ensures reliable connections and improve