Carriage bolts possess 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 adhere to the stringent standards set by the German Institute fo… Read More

In the realm of structural engineering and construction, bolt assemblies play a essential 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 primary standards that govern these assemblies are BS EN 15048 – 1 and 28.8 & … Read More