P these forgefix plasterboard nails are zinc yellow passivated for corrosion resistance. They have indented shanks and countersunk heads, and can be used widely in many joinery applications. P p application br the shape of the nail makes them ideal for fixing plasterboard and cladding. P p the zinc yellow passivation process of electroplating is similar to the lsquogalvanised and lsquozinc plated processes but with the addition of a yellow dye. It provides a coating that is aesthetically pleasing, and which offers excellent resistance to corrosion. P p countersunk heads are designed to fit flush with substrates to leave a smooth surface finish. The twin thread's main function is to enable an easy start when driving. P p plasterboard nail zyp 30mm bag weight 2.5kg p forpn30zyp21