This document, EN 14399:2005, defines the criteria for high-strength structural bolted assemblies. It addresses a broad range of bolted joints used in civil applications. The standard establishes procedures for the design, fabrication, inspection, and testing of bolted assemblies to ensure their saf

DIN 931 defines the specifications for six-sided head screws. These fixings are widely employed in diverse industries, from mechanical engineering tomanufacturing. The DIN 931 standard covers dimensions such as length and thread pitch. It also establishes requirements for material grade and accurac