Bralo dome head aluminium standard blind rivets bralo 1010004830 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 48mm and are 30mm long they are suitable for use with panel thicknesses from 23 up to 25mm bralo 1010004830 dome head aluminium standard rivet 48mm x 30mm pack of 25