This document, EN 14399:2005, defines the criteria for high-strength structural bolted assemblies. It covers a broad range of bolted connections used in engineering applications. The standard outlines methods for the design, manufacture, inspection, and testing of bolted assemblies to ensure their safety. It also specifies the components that can b

DIN 931 specifies the standards for six-sided head bolts. These bolts are frequently utilized in diverse fields, from mechanical engineering toconstruction. The DIN 931 standard covers sizes such as head size and thread type. It also establishes criteria for material quality and accuracy. Adhering to DIN 931 ensures reliable connections and impro