This standard, EN 14399:2005, defines the specifications for high-strength structural bolted assemblies. It addresses a broad range of bolted connections used in civil applications. The standard outlines guidelines for the design, production, inspection, and testing of bolted assemblies to ensure their safety. It also specifies the components that

DIN 931 defines the specifications for six-sided head bolts. These bolts are frequently utilized in various industries, from automotive engineering toconstruction. The DIN 931 standard covers sizes such as head size and thread pitch. It also defines requirements for material quality and tolerances. Following DIN 931 ensures robust connections and