Carriage bolts possess 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, designed to be driven by a wrench or socket. DIN 603 carriage bolts adhere to the stringent standards set by the German Institute
This specification, EN 14399:2005, defines the requirements for high-strength structural bolted assemblies. It deals with a comprehensive range of bolted joints used in engineering applications. The standard establishes guidelines for the design, manufacture, inspection, and testing of bolted assemblies to ensure their safety. It also specifies the
DIN 931 defines the specifications for six-sided head bolts. These fixings are commonly used in various fields, from structural engineering toconstruction. The DIN 931 standard covers sizes such as length and thread pitch. It also defines criteria for material quality and tolerances. Complying with DIN 931 ensures durable connections and enhances