This specification, EN 14399:2005, defines the requirements for high-strength structural bolted assemblies. It covers a wide range of bolted assemblies used in engineering applications. The standard establishes methods for the design, production, inspection, and testing of bolted assemblies to ensure their reliability. It also specifies the compone

DIN 931 specifies the standards for hexagonal head screws. These fixings are commonly used in various industries, from structural engineering tomanufacturing. The DIN 931 standard covers parameters such as diameter and thread pitch. It also sets criteria for material grade and precision. Adhering to DIN 931 ensures reliable connections and improv