EN 14399:2005

This document, EN 14399:2005, defines the specifications for high-strength structural bolted assemblies. It deals with a wide range of bolted assemblies used in civil applications. The standard outlines methods for the design, manufacture, inspection, and testing of bolted assemblies to ensure their reliability. It also specifies the materials that

DIN 931 defines the specifications for hexagonal head screws. These nuts are widely employed in numerous applications, from structural engineering tomanufacturing. The DIN 931 standard covers sizes such as diameter and thread pitch. It also establishes standards for material grade and precision. Complying with DIN 931 ensures durable connections