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

DIN 931 specifies the specifications for hexagonal head bolts. These fixings are commonly used in various applications, from mechanical engineering toconstruction. The DIN 931 standard covers sizes such as length and thread pitch. It also establishes criteria for material quality and precision. Co