Carriage bolts feature a unique design with a squared shank that locks within the hole, preventing rotation and ensuring a secure fastening. These bolts comprise a cylindrical head with a square or hexagonal recess, formulated to be driven by a wrench or socket. DIN 603 carriage bolts conform with the stringent standards set by the German Institute

DIN 931 specifies the standards for hex head bolts. These fixings are frequently utilized in numerous fields, from structural engineering tomanufacturing. The DIN 931 standard covers parameters such as head size and thread type. It also establishes criteria for material grade and precision. Complying with DIN 931 ensures robust connections and en