This document, EN 14399:2005, defines the specifications for high-strength structural bolted assemblies. It deals with a wide range of bolted connections used in engineering applications. The standard establishes guidelines for the design, production, inspection, and testing of bolted assemblies to ensure their safety. It also specifies the element

DIN 931 specifies the specifications for six-sided head screws. These fixings are frequently utilized in various applications, from structural engineering toassembly. The DIN 931 standard covers dimensions such as length and thread form. It click here also defines requirements for material grade and tolerances. Complying with DIN 931 ensures dura