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

DIN 931 specifies the specifications for hexagonal head bolts. These bolts are commonly used in numerous applications, from mechanical engineering tomanufacturing. The DIN 931 standard covers dimensions such as length and thread pitch. It also sets criteria for material quality and accuracy. Complying with DIN 931 ensures durable connections and