Features: Ribbed blind rivets: The blind rivets for special requirements in blind rivet technology. Ribbed blind rivets are suitable for riveting in blind holes in soft materials. They are used in the furniture industry, interior construction, wood and plastic processing industries, bodywork, and much more. Important: Before processing the ribbed blind rivets, the hole diameter must be determined through testing, and the minimum hole depth must be observed. Features: Hollow rivet: Aluminum alloy. Rivet mandrel: Steel, galvanized. Features: Flat round head.