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, intended to be driven by a wrench or socket. DIN 603 carriage bolts meet the stringent standards set by the German Institute for Stan… Read More

In the realm of structural engineering and construction, bolt assemblies play a critical role in ensuring the integrity and safety of various structures. Understanding the intricacies of non-pre-load bolt assemblies is paramount for achieving reliable connections. Two key standards that govern these assemblies are BS EN 15048 – 1 and 28.8 & 10.9.… Read More