Carriage bolts are a unique design with a squared shank that stabilizes 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 adhere to the stringent standards set by the German Institute f… Read More

DIN 931 defines the standards for six-sided head bolts. These nuts are commonly used in diverse industries, from automotive engineering toassembly. The DIN 931 standard covers dimensions such as diameter and thread form. It also establishes criteria for material composition and precision. Adhering to DIN 931 ensures reliable connections and impro… Read More