Carriage bolts feature a unique design with a squared shank that stabilizes within the hole, preventing rotation and guaranteeing a secure fastening. These bolts consist 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

DIN 931 defines the specifications for six-sided head fasteners. These nuts are frequently utilized in numerous fields, from structural engineering toconstruction. The DIN 931 standard covers parameters such as head size and thread pitch. It also sets standards for material composition and accuracy. Complying with DIN 931 ensures durable connecti