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, formulated to be driven by a wrench or socket. DIN 603 carriage bolts adhere to the stringent standards set by the German Institute f

DIN 931 outlines the specifications for hexagonal head screws. These fixings are widely employed in numerous applications, from structural engineering toconstruction. The DIN 931 standard covers parameters such as length and thread type. It also defines standards for material quality and accuracy. Adhering to DIN 931 ensures reliable connections