Door fasteners of metal; Metal cup hooks; Metal curtain walls; Metal door hardware, namely, non-powered door actuators; Metal hardware, namely, springs; Metal hexagon head bolts; Reinforcing materials of metal for pipes; Reinforcing pins of metal for formwork; Rivets of metal; Rods of metal for brazing and welding including those from alloy steel and titanium; Rolling window shutters of metal; Screws of metal; Split rings of common metal for keys; Structural joint connectors of metal; Wire ro...