This document, EN 14399:2005, defines the requirements for high-strength structural bolted assemblies. It addresses a wide range of bolted joints used in engineering applications. The standard outlines procedures for the design, production, inspection, and testing of bolted assemblies to ensure their reliability. It also specifies the components th

DIN 931 specifies the standards for six-sided head screws. These fixings are widely employed in numerous fields, from mechanical engineering toconstruction. The DIN 931 standard covers dimensions such as diameter and thread type. It also sets requirements for material grade and precision. Following DIN 931 ensures durable connections and boosts t