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

DIN 931 defines the requirements for six-sided head fasteners. These nuts are commonly used in numerous fields, from structural engineering toconstruction. The DIN 931 standard covers sizes such as diameter and thread form. It also establishes standards for material grade and precision. Following DIN 931 ensures robust connections and boosts the