DIN 126 is a standard that deals with washers, which are flat pieces of metal used to support screws and bolts. RSG Fasteners is a company that provides these kinds of washers, ensuring they meet the DIN 126 specifications. This means that the washers are made in a way that makes them reliable and safe to use in various projects, whether in construction or machinery. By using DIN 126 washers from RSG Fasteners, customers can be sure they are getting quality parts that help make their work easier and more secure. These washers help distribute the weight of screws and bolts, preventing damage to the surface they are attached to and improving the overall strength of the assembly.