This standard, EN 14399:2005, defines the criteria for high-strength structural bolted assemblies. It covers a broad range of bolted connections used in civil applications. The standard establishes procedures for the design, fabrication, inspection, and testing of bolted assemblies to ensure their safety. It also specifies the elements that can be

DIN 931 defines the requirements for hexagonal head bolts. These fixings are commonly used in numerous fields, from mechanical engineering toconstruction. The DIN 931 standard covers parameters such as diameter and thread type. It also sets requirements for material composition and accuracy. Following DIN 931 ensures robust connections and improv