Bralo Countersunk Head Rivet - Bralo 1090004816, These countersunk multigrip blind rivets from Bralo have an aluminium body and a zinc-plated steel mandrel. Multigrip rivets offer a wider gripping range than standard rivets. These "pop" rivets have a thread diameter of 4.8mm and are 16.5mm long. Bralo 1090004816 Countersunk Aluminium Multigrip Rivet Ø 4.8mm x 16.5mm - Pk 250
