This specification, EN 14399:2005, defines the specifications for high-strength structural bolted assemblies. It covers a comprehensive range of bolted assemblies used in civil applications. The standard provides guidelines for the design, production, inspection, and testing of bolted assemblies to ensure their performance. It also specifies the ma

DIN 931 defines the specifications for hexagonal head screws. These bolts are commonly used in diverse fields, from automotive engineering toconstruction. The DIN 931 standard covers sizes such as head size and thread pitch. It also establishes requirements for material composition and tolerances. Adhering to DIN 931 ensures reliable connections