[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.

❉ Name: 1/4-20 Acorn Nuts;
❉ Package: 60pcs * 1/4 Cap Nuts;
❉ Features: anti-rust, corrosion proof;
❉ Material: 18-8 / 304 Stainless Steel
❉ Used at where the end of the bolt needs to be covered.