What is the expansion plug used for?

An expansion plug is used to seal holes or openings in various materials, such as metal or concrete, by expanding when a force is applied. It is commonly utilized in automotive applications, Plumbing, and construction to prevent leaks, provide structural support, or close off unused ports. The plug typically consists of a tapered design that allows it to fit snugly into the hole as it expands. This ensures a tight seal and maintains the integrity of the surrounding material.