Carriage bolts are 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 conform with the st

This standard, EN 14399:2005, defines the criteria 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, production, inspection, and testing of bolted assemblies to en

DIN 931 defines the specifications for hexagonal head screws. These nuts are frequently utilized in diverse fields, from mechanical engineering tomanufacturing. The DIN 931 standard covers parameters such as head size and thread pitch. It also establishes requirements for material quality and toler