The 5F30 Blind RIV ALM Open 4.0x12mm is a precision blind rivet engineered for demanding applications requiring reliable fastening in confined spaces. Featuring a 4.0mm diameter shaft and 12mm grip range, this aluminium rivet delivers consistent performance across sheet metal, composite, and lightweight structural assemblies. The open-end design facilitates easy installation while maintaining structural integrity. Ideal for aerospace, automotive, and industrial manufacturing where quality fastening is non-negotiable. Trusted by professionals for its durability and repeatable results.