Carriage bolts possess a unique design with a squared shank that locks within the hole, preventing rotation and providing a secure fastening. These bolts comprise a cylindrical head with a square or hexagonal recess, intended to be driven by a wrench or socket. DIN 603 carriage bolts meet the stringent standards set by the German Institute for Stan… Read More

This specification, EN 14399:2005, defines the criteria for high-strength structural bolted assemblies. It addresses a comprehensive range of bolted assemblies used in structural applications. The standard provides guidelines for the design, manufacture, inspection, and testing of bolted assemblies to ensure their performance. It also specifies the… Read More

DIN 931 defines the specifications for hexagonal head fasteners. These bolts are widely employed in various applications, from structural engineering toconstruction. The DIN 931 standard covers parameters such as head size and thread type. It also sets criteria for material quality and precision. Adhering to DIN 931 ensures reliable connections a… Read More