Sealed Type Blind Rivet: it has a unique cup-type tail to prevent water vapor around rivet body and liquid from passing. Otherwise, the tensile strength is 20% higher than the same kind blind rivet with Large Flange. What’s more, it can guarantee never head off, so it’s widely used in areas such as electronic and electrical equipment. We can offer two kinds: rack head and countersunk rivet in many materials, like steel/ aluminum, aluminum/ stainless steel, stainless steel/ stainless steel, steel/ steel etc.