Carriage bolts are a unique design with a squared shank that remains within the hole, preventing rotation and providing a secure fastening. These bolts include a cylindrical head with a square or hexagonal recess, designed to be driven by a wrench or socket. DIN 603 carriage bolts adhere to the stringent standards set by the German Institute for St
This specification, EN 14399:2005, defines the requirements for high-strength structural bolted assemblies. It covers a broad range of bolted connections used in civil applications. The standard provides methods for the design, manufacture, inspection, and testing of bolted assemblies to ensure their performance. It also specifies the elements that
DIN 931 specifies the standards for six-sided head fasteners. These fixings are commonly used in various industries, from structural engineering toassembly. The DIN 931 standard covers parameters such as head size and thread pitch. It also defines standards for material composition and precision. Following DIN 931 ensures reliable connections and