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

DIN 931 outlines the requirements for hexagonal head screws. These bolts are widely employed in numerous applications, from automotive engineering toassembly. The DIN 931 standard covers dimensions such as diameter and thread type. It also defines standards for material quality and accuracy. Compl