Carriage bolts feature a unique design with a squared shank that remains within the hole, preventing rotation and ensuring a secure fastening. These bolts include a cylindrical head with a square or hexagonal recess, designed to be driven by a wrench or socket. DIN 603 carriage bolts conform with the stringent standards set by the German Institute

This document, EN 14399:2005, defines the requirements for high-strength structural bolted assemblies. It addresses a broad range of bolted connections used in engineering applications. The standard establishes methods for the design, production, inspection, and testing of bolted assemblies to ensure their safety. It also specifies the materials th

DIN 931 defines the requirements for hex head bolts. These fixings are widely employed in various fields, from mechanical engineering toassembly. The DIN 931 standard covers parameters such as head size and thread form. It also defines requirements for material quality and precision. Following DIN 931 ensures reliable connections and boosts the i