Bralo dome head aluminium multigrip rivets bralo 1080004009 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 4mm and are 95mm long bralo 1080004009 dome head aluminium multigrip rivet 40mm x 95mm pack 500