Carriage bolts possess 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 standard, EN 14399:2005, defines the criteria for high-strength structural bolted assemblies. It addresses a comprehensive range of bolted assemblies used in civil applications. The standard establishes guidelines 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 six-sided head fasteners. These fixings are widely employed in various industries, from mechanical engineering toassembly. The DIN 931 standard covers dimensions such as head size and thread type. It also sets requirements for material composition and tolerances. Adhering to DIN 931 ensures durable connections