Bralo dome head aluminium multigrip rivets bralo 1080003208 these dome head multigrip blind rivets from bralo have an aluminium body and a mandrel made from zinc plated steel multigrip rivets offer a wider gripping range than standard rivets these pop rivets have a thread of 32mm and are 8mm long bralo 1080003208 dome head aluminium multigrip rivet 32mm x 8mm pack 500