This document, EN 14399:2005, defines the requirements for high-strength structural bolted assemblies. It addresses a comprehensive range of bolted assemblies used in structural applications. The standard establishes procedures for the design, fabrication, inspection, and testing of bolted assemblie

DIN 931 defines the requirements for hexagonal head screws. These fixings are widely employed in various applications, from automotive engineering toassembly. The DIN 931 standard covers dimensions such as length and thread form. It also defines standards for material quality and precision. Comply