EN 14399:2005

This document, EN 14399:2005, defines the specifications for high-strength structural bolted assemblies. It deals with a broad range of bolted joints used in civil applications. The standard provides guidelines for the design, manufacture, inspection, and testing of bolted assemblies to ensure their performance. It also specifies the elements that

DIN 931 defines the requirements for hexagonal head screws. These fixings are commonly used in diverse applications, from automotive engineering toconstruction. The DIN 931 standard covers parameters such as head size and thread form. It also establishes criteria for material grade and tolerances. Adhering to DIN 931 ensures durable connections a