Carriage bolts are a unique design with a squared shank that locks within the hole, preventing rotation and providing a secure fastening. These bolts consist 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 for S

DIN 931 defines the requirements for hex head bolts. These bolts are commonly used in various applications, from automotive engineering toassembly. The DIN 931 standard covers dimensions such as diameter and thread type. It also defines standards for material composition and precision. Complying with DIN 931 ensures reliable connections and boost