This standard, EN 14399:2005, defines the criteria for high-strength structural bolted assemblies. It deals with a wide range of bolted joints used in engineering applications. The standard establishes methods for the design, fabrication, inspection, and testing of bolted assemblies to ensure their reliability. It also specifies the materials that

DIN 931 specifies the specifications for six-sided head bolts. These fixings are frequently utilized in diverse industries, from structural engineering toassembly. The DIN 931 standard covers sizes such as head size and thread type. It also defines requirements for material composition and tolerances. Complying with DIN 931 ensures robust connect