Carriage bolts feature a unique design with a squared shank that remains 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 Institu

DIN 931 outlines the specifications for hex head bolts. These nuts are commonly used in various industries, from automotive engineering toassembly. The DIN 931 standard covers sizes such as length and thread pitch. It also establishes criteria for material quality and accuracy. Adhering to DIN 931 ensures reliable connections and improves the saf