EN 14399:2005

This standard, EN 14399:2005, defines the specifications for high-strength structural bolted assemblies. It covers a broad range of bolted assemblies used in engineering applications. The standard provides methods for the design, manufacture, inspection, and testing of bolted assemblies to ensure their safety. It also specifies the materials that c

DIN 931 outlines the standards for six-sided head fasteners. These nuts are commonly used in numerous fields, from mechanical engineering toassembly. The DIN 931 standard covers parameters such as head size and thread form. It also sets criteria for material quality and accuracy. Complying with DIN 931 ensures durable connections and improves the