Blind rivet in aluminium with countersunk head, engineered for secure fastening in thin-walled materials and sheet metal applications. The 4.0mm diameter and 10mm length combination delivers reliable performance in aerospace, automotive, and general fabrication work. Features a mandrel-pull design that creates a permanent joint without requiring access to the reverse side. Ideal for applications demanding corrosion resistance and lightweight construction. Meets industrial standards for consistent quality and dependable holding power across diverse assembly requirements.