This document, EN 14399:2005, defines the requirements for high-strength structural bolted assemblies. It deals with a comprehensive range of bolted joints used in engineering applications. The standard provides guidelines for the design, manufacture, inspection, and testing of bolted assemblies to ensure their performance. It also specifies the ma

DIN 931 outlines the specifications for six-sided head fasteners. These bolts are widely employed in diverse industries, from structural engineering toconstruction. The DIN 931 standard covers sizes such as head size and thread pitch. It also establishes requirements for material composition and tolerances. Complying with DIN 931 ensures robust c