EN 14399:2005

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

DIN 931 specifies the standards for six-sided head bolts. These nuts are commonly used in various industries, from mechanical engineering toconstruction. The DIN 931 standard covers parameters such as head size and thread pitch. It also sets requirements for material composition and tolerances. Adhering to DIN 931 ensures durable connections and