DIN 603 is a standard for carriage bolts used in fastening applications, well known for their square neck that fits into a pre-drilled hole, preventing the bolt from turning as it is tightened. These bolts are commonly utilized in woodworking projects, furniture assembly, and other applications where a smooth finish is desired. RSG Fasteners, a reputable supplier of fastening solutions, offers a wide range of DIN 603 carriage bolts in various sizes and materials to cater to different project requirements. Their commitment to quality and precision makes them a trusted choice for professionals