Aluminium blind rivet Open end dome head CSK flange or large flange Full aluminium mandrel 3.2, 4.0, 4.8 and 6.4mm Open end all aluminium blind rivets1. Model OptionsOpen end or close endDome head or flat headCSK flange or large flange2. Material OptionsHead/MandrelAuminium/AluminumAluminium/Steel 5050, 5052, 5055Steel/SteelAll Stainless Steel3. Color OptionsPlain, black, grey, red, orange, etc4. ...