This standard, EN 14399:2005, defines the requirements for high-strength structural bolted assemblies. It deals with a broad range of bolted assemblies used in civil applications. The standard establishes procedures for the design, manufacture, inspection, and testing of bolted assemblies to ensure

DIN 931 outlines the requirements for hex head screws. These bolts are commonly used in various industries, from mechanical engineering toconstruction. The DIN 931 standard covers sizes such as length and thread type. It also sets requirements for material grade and accuracy. Complying with DIN 93