Washers are commonly used between the head of a bolt, screw, or nut and the material being clamped. Their primary function is to increase the bearing area of the head while also protecting the underlying material from damage. There are several types of washers, each designed for specific uses
Flat washers are circular, thin, and flat components with a hole in the center. They are used to distribute the load of a fastener, such as a bolt or screw, evenly over a surface and prevent damage to the material.