EN 14399 is a standard that focuses on high-strength structural bolting. This standard is important for making sure that bolts used in construction are strong and reliable. RSG Fasteners is a company that produces these high-strength bolts, which are used in various building projects, like bridges and tall buildings. The EN 14399 standard helps ensure that the bolts meet specific quality and safety requirements, so they can hold heavy loads and keep structures safe for people. By following this standard, RSG Fasteners helps builders and engineers trust that their projects will be sturdy and long-lasting.