This specification, EN 14399:2005, defines the specifications for high-strength structural bolted assemblies. It covers a broad range of bolted joints used in engineering applications. The standard establishes guidelines for the design, production, inspection, and testing of bolted assemblies to ensure their reliability. It also specifies the eleme

DIN 931 outlines the specifications for hexagonal head fasteners. These fixings are widely employed in numerous industries, from mechanical engineering tomanufacturing. The DIN 931 standard covers parameters such as diameter and thread type. It also sets requirements for material grade and accuracy. Complying with DIN 931 ensures robust connectio