Din 6978- Astar Washer

The DIN 6978 standard pertains to a specific type of washer known as an Astar washer. Astar washers are typically used in mechanical applications to distribute the load of a threaded fastener, such as a bolt or nut. They can also help prevent damage to the surface being fastened, reduce the risk of loosening due to vibration, and provide a more uniform load distribution.