This specification, EN 14399:2005, defines the requirements for high-strength structural bolted assemblies. It deals with a comprehensive range of bolted assemblies used in civil applications. The standard provides guidelines for the design, fabrication, inspection, and testing of bolted assemblies to ensure their reliability. It also specifies the

DIN 931 specifies the specifications for hexagonal head bolts. These fixings are commonly used in diverse industries, from automotive engineering toassembly. The DIN 931 standard covers sizes such as head size and thread pitch. It also sets standards for material quality and accuracy. Following DIN 931 ensures reliable connections and enhances th