When demanding strength is paramount, the DIN 931 hex head bolt emerges as a preferred choice across diverse industries. This standardized fastener, renowned for its exceptional qualities, adheres to stringent German engineering specifications, guaranteeing optimal performance even under extreme conditions. The hex head design provides a reliable g… Read More


This document, EN 14399:2005, defines the specifications for high-strength structural bolted assemblies. It addresses a broad range of bolted assemblies used in engineering applications. The standard provides guidelines for the design, production, inspection, and testing of bolted assemblies to ensure their safety. It also specifies the materials t… Read More


This standard, EN 14399:2005, defines the specifications for high-strength structural bolted assemblies. It addresses a wide range of bolted assemblies used in structural applications. The standard establishes methods for the design, production, inspection, and testing of bolted assemblies to ensure their safety. It also specifies the materials tha… Read More


DIN 931 outlines the standards for six-sided head fasteners. These nuts are widely employed in various fields, from mechanical engineering toconstruction. The DIN 931 standard covers dimensions such as head size and thread pitch. It also sets requirements for material grade and precision. Complying with DIN 931 ensures durable connections and enh… Read More