EN 14399:2005

This document, EN 14399:2005, defines the criteria for high-strength structural bolted assemblies. It addresses a wide range of bolted connections used in structural applications. The standard outlines methods for the design, fabrication, inspection, and testing of bolted assemblies to ensure their reliability. It also specifies the components that

DIN 931 outlines the specifications for hex head screws. These nuts are commonly used in numerous fields, from mechanical engineering toassembly. The DIN 931 standard covers sizes such as length and thread type. It also sets criteria for material quality and precision. Adhering to DIN 931 ensures reliable connections and enhances the performance