EUROPEAN STANDARD EN 14399:2005

This document, EN 14399:2005, defines the requirements for high-strength structural bolted assemblies. It addresses a broad range of bolted connections used in structural applications. The standard provides methods for the design, fabrication, inspection, and testing of bolted assemblies to ensure their performance. It also specifies the materials

DIN 931 specifies the requirements for hexagonal head fasteners. These nuts are commonly used in various applications, from mechanical engineering tomanufacturing. The DIN 931 standard covers sizes such as diameter and thread type. It also sets requirements for material grade and precision. Adhering to DIN 931 ensures robust connections and boost