... cost and economy 5.Black drawn wire black annealed wire is produced through the following steps: 1, wire-drawing, 2, anneal, ... black annealed wire can processed into coil wire, spool wire, big package wire or further straightened and cut into cut wire or U type wire..3.Black Annealed Wire ... Kg or by Z2, Z3 coilsTypes: Black soft annealed wire & Bright soft annealed wire .Diameter: BWG16, 18#, 19#, 20 ...