Bralo Dome Head Rivet - Bralo 1010005014, 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 5mm and are 14mm long. They are suitable for use with panel thicknesses from 8 up to 10mm. Bralo 1010005014 Dome Head Aluminium Standard Rivet Ø 5.0mm x 14mm - Pack Of 250