"Understanding the difference between a plain washer and a spring washer is crucial for choosing the right fastening solution. A plain washer is a flat, round disc that distributes the load of a fastener, preventing surface damage and ensuring even pressure distribution. In contrast, a spring washer is designed to provide tension, preventing loosening due to vibrations or dynamic forc... https://beforeitsnews.com/business/2025/01/everything-to-know-about-allen-bolt-types-benefits-and-use-cases-3746619.html