EUROPEAN STANDARD EN 14399:2005

This standard, EN 14399:2005, defines the criteria for high-strength structural bolted assemblies. It deals with a wide range of bolted joints used in civil applications. The standard provides guidelines for the design, production, inspection, and testing of bolted assemblies to ensure their safety. It also specifies the materials that can be used

DIN 931 defines the requirements for six-sided head fasteners. These fixings are widely employed in various industries, from mechanical engineering toassembly. The DIN 931 standard covers sizes such as length and thread type. It also defines criteria for material composition and precision. Following DIN 931 ensures durable connections and improve