#4‑40 (1/4" × 1/4") Brass Cap Nut, Plain Finish (Inch)

The #4‑40 brass cap nut is designed to provide a finished, protective appearance while covering exposed threads. Made from solid brass, it offers good corrosion resistance and electrical conductivity for light‑duty applications. With a 1/4" diameter by 1/4" height cap and plain finish, this cap nut is ideal for decorative, electrical, and general‑purpose inch‑series assemblies where both functionality and appearance matter.