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

DIN 931 outlines the specifications for hexagonal head bolts. These fixings are frequently utilized in diverse industries, from structural engineering toassembly. The DIN 931 standard covers parameters such as head size and thread form. It also defines requirements for material composition and accuracy. Complying with DIN 931 ensures durable conn