Bralo dome head aluminium standard blind rivets bralo 1010004016 these dome head standard blind rivets from bralo have an aluminium body and a mandrel made from zinc plated steel these pop rivets have a thread of 4mm and are 16mm long they are suitable for use with panel thicknesses from 105 up to 125mm bralo 1010004016 dome head aluminium standard rivet 40mm x 16mm pack of 50