Zinc palted Metric Coarse Thread Stainless Steel Wing Nuts Butterfly Nuts DIN315

Also known as a butterfly nut, a wing nut is a type of nut that’s characterized by the presence of two tabs. Most types of nuts feature a hexagonal shape. You can install and remove them by turning them. Wing nuts are distinguished from other types of nuts by their use of tabs. As shown in the adjacent photo, they have two tabs. These tabs or “wings” provide gripping surface so that you can easily install and remove them.