The offered Flange Nut is made available by us for use in the various commercial and industrial uses. Also known as collar nuts, these metric nuts have a flange that distributes pressure across the surface, so you don't need a washer. The offered nut is a nut that has a wide flange at one end that acts as an integrated washer. The offered Flange Nut is made for use in the various applications. They are commonly used in manufacturing assembly lines where operations are speeded by using a single fastener instead of a nut and washer.