A 'RING M8' is an essential fastening component often used in various mechanical constructions and assemblies. It is a metal ring with an inner diameter suited for an M8 bolt, meaning the thread has a nominal diameter of 8 millimeters. These rings are applied to evenly distribute the pressure from the nut or bolt head over the connected surface, preventing damage to the material. They are made from durable materials such as steel or stainless steel, making them suitable for sturdy and long-lasting assembly.