This document, EN 14399:2005, defines the criteria for high-strength structural bolted assemblies. It addresses a broad range of bolted assemblies used in structural applications. The standard provides procedures for the design, fabrication, inspection, and testing of bolted assemblies to ensure their performance. It also specifies the materials th

DIN 931 specifies the standards for hexagonal head fasteners. These fixings are frequently utilized in numerous industries, from structural engineering toassembly. The DIN 931 standard covers dimensions such as head size and thread pitch. It also establishes requirements for material grade and accuracy. Complying with DIN 931 ensures robust conne