EN 14399:2005

This specification, EN 14399:2005, defines the specifications for high-strength structural bolted assemblies. It deals with a broad range of bolted connections used in engineering applications. The standard establishes procedures for the design, fabrication, inspection, and testing of bolted assemblies to ensure their performance. It also specifies

DIN 931 specifies the requirements for hex head fasteners. These fixings are widely employed in various fields, from structural engineering toassembly. The DIN 931 standard covers parameters such as head size and thread pitch. It also sets requirements for material grade and precision. Adhering to DIN 931 ensures durable connections and improves