This standard, EN 14399:2005, defines the requirements for high-strength structural bolted assemblies. It covers a wide range of bolted connections used in civil applications. The standard establishes procedures for the design, manufacture, inspection, and testing of bolted assemblies to ensure their reliability. It also specifies the materials tha

DIN 931 specifies the requirements for hex head screws. These bolts are widely employed in diverse fields, from structural engineering toconstruction. The DIN 931 standard covers sizes such as head size and thread form. It also establishes requirements for material composition and accuracy. Following DIN 931 ensures durable connections and enhanc