EN 14399:2005

This specification, EN 14399:2005, defines the specifications for high-strength structural bolted assemblies. It covers a broad range of bolted assemblies used in civil applications. The standard establishes guidelines for the design, manufacture, inspection, and testing of bolted assemblies to ensure their reliability. It also specifies the materi

DIN 931 defines the requirements for hex head fasteners. These nuts are commonly used in various industries, from mechanical engineering toassembly. The DIN 931 standard covers dimensions such as length and thread form. It also establishes requirements for material grade and tolerances. Adhering to DIN 931 ensures reliable connections and improve