This standard, EN 14399:2005, defines the criteria for high-strength structural bolted assemblies. It deals with a wide range of bolted assemblies used in engineering applications. The standard provides methods for the design, manufacture, inspection, and testing of bolted assemblies to ensure their

DIN 931 outlines the specifications for hex head screws. These bolts are commonly used in diverse fields, from mechanical engineering tomanufacturing. The DIN 931 standard covers parameters such as head size and thread pitch. It also defines standards for material grade and tolerances. Complying w