EN 14399:2005

This standard, EN 14399:2005, defines the criteria for high-strength structural bolted assemblies. It covers a comprehensive range of bolted joints used in structural applications. The standard provides methods for the design, production, inspection, and testing of bolted assemblies to ensure their safety. It also specifies the components that can

DIN 931 defines the specifications for six-sided head fasteners. These nuts are commonly used in various applications, from mechanical engineering toconstruction. The DIN 931 standard covers parameters such as head size and thread pitch. It also defines criteria for material quality and accuracy. Adhering to DIN 931 ensures durable connections an