[About Acorn Nuts]
The cap nut is a hex nut with a cover. The function of this cap is to fasten the exposed part of the cover to prevent moisture or some other Corrosive substances enter the inside to act as a rust preventer, thereby increasing the use of the itself and the connection.
- Protect the end of screws or bolts from corrosion and dirt;
- Making fasteners more beautiful;
- Cover and protect threads while providing a finished appearance.