Carriage bolts feature a unique design with a squared shank that stabilizes within the hole, preventing rotation and providing 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 Instit

This specification, EN 14399:2005, defines the requirements for high-strength structural bolted assemblies. It addresses a wide range of bolted joints used in structural applications. The standard provides procedures for the design, manufacture, inspection, and testing of bolted assemblies to ensure their safety. It also specifies the components th

DIN 931 specifies the standards for six-sided head screws. These fixings are widely employed in diverse applications, from automotive engineering toconstruction. The DIN 931 standard covers dimensions such as diameter and thread form. It also establishes criteria for material quality and accuracy. Adhering to DIN 931 ensures robust connections an