Plain washers, also known as flat washers, are essential components in various applications and industries. These simple, yet crucial, parts are used to distribute the load of a threaded fastener, such as a bolt or nut, and prevent damage to the surface being fastened. Plain washers come in a variety of materials, including stainless steel, brass, and nylon, and can be found in different shapes and sizes to accommodate specific needs. Whether it's in construction, automotive, or manufacturing, plain washers play a vital role in ensuring the stability and integrity of assemblies and structures. Their versatility and reliability make them a fundamental element in countless mechanical systems, proving that even the smallest components can have a significant impact.