EN 14399:2005

This specification, EN 14399:2005, defines the specifications for high-strength structural bolted assemblies. It addresses a broad range of bolted connections used in structural applications. The standard outlines procedures for the design, fabrication, inspection, and testing of bolted assemblies to ensure their performance. It also specifies the

DIN 931 defines the specifications for hex head bolts. These fixings are widely employed in diverse applications, from automotive engineering toconstruction. The DIN 931 standard covers parameters such as head size and thread type. It also defines standards for material grade and precision. Complying with DIN 931 ensures durable connections and b