Qualfast: 3.2X16MM Aluminium Lage Head Rivet (Box 500) Large Head For all applications of blind riveting. Aluminium rivet head with steel mandrel. Medium strength, use with aluminium and where rust is a problem. Select grip based on thickness of material to be riveted. MPN: QFT-644-5041V EAN: 5036140321557 3.2X16MM Aluminium Lage Head Rivet (Box 500) Attributes: Box Quantity: 500 Head Shape: Large Head Length: 16mm Material: Aluminium Rivet Diameter: 3.7mm Surface Treatment: Plain