EUROPEAN STANDARD EN 14399:2005

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

DIN 931 defines the standards for hex head bolts. These nuts are commonly used in various fields, from structural engineering toconstruction. The DIN 931 standard covers sizes such as head size and thread form. It also sets standards for material composition and precision. Following DIN 931 ensures reliable connections and enhances the integrity