... steel,silicon bronze,etc.Head/Tread stylesAccording client's requiresCoating/Surface treatmentZinc,Tin,Sn/Pb,Nickel,Chrome,Titanium, Cadmium, Dacromet, ... self tapping screws, self drilling screws, set screws, hex socket head cap screws, wood screws.Rivet: solid rivet, blind rivet, ... pop rivet.Nails: roofing nails, twist nails, double head nails.Our company is the TOP SUPPLIER for Beijing 2008 ...