This standard, EN 14399:2005, defines the criteria for high-strength structural bolted assemblies. It addresses a wide range of bolted assemblies used in structural applications. The standard provides guidelines for the design, production, inspection, and testing of bolted assemblies to ensure their reliability. It also specifies the elements that

DIN 931 outlines the specifications for six-sided head bolts. These bolts are commonly used in diverse industries, from mechanical engineering toconstruction. The DIN 931 standard covers dimensions such as diameter and thread form. It also sets standards for material quality and tolerances. Following DIN 931 ensures reliable connections and impro