Carriage bolts are a unique design with a squared shank that stabilizes within the hole, preventing rotation and guaranteeing a secure fastening. These bolts include a cylindrical head with a square or hexagonal recess, formulated to be driven by a wrench or socket. DIN 603 carriage bolts meet the stringent standards set by the German Institute for
This specification, EN 14399:2005, defines the criteria for high-strength structural bolted assemblies. It addresses a broad range of bolted joints used in structural applications. The standard provides methods for the design, production, inspection, and testing of bolted assemblies to ensure their reliability. It also specifies the materials that
DIN 931 specifies the specifications for hex head screws. These nuts are widely employed in numerous applications, from structural engineering toconstruction. The DIN 931 standard covers sizes such as head size and thread form. It also establishes standards for material quality and tolerances. Adhering to DIN 931 ensures robust connections and bo