... .Manufactory 3.Material:mild steel wire 4.Diam:4.5mm BWG 7 black annealed wire are one of our main products, since here ... flexibility and softness.Application: Binding of construction,communication devices, medical treatment equipment, weaving of wire mesh, making of brushes, steel rope, filter wire ... and crafts, etc.We can produce all kind of black annealed wire,diameter of wire from 5.5mm to 0.5mm,the ...