Black annealed wire, also called black wire, comes in the form of coil wire or cut wire. Mostly used in construction or daily use as binding material. Black Iron Wire Guage SWG(mm) BWG(mm) AWG(mm) 8# 4.05 4.19 4.00 9# 3.66 3.76 4.00 10# 3.25 3.40 3.50 11# 2.95 3.05 3.00 12# 2.64 2.77 2.80 13# 2.34 2.41 2.50 14# 2.03 2.11 2.50 15# 1.83 1.83 1.80 16# 1.63 1.65 1.65 17# 1.42 1.47 1.40 18# 1.22 1.25 1.20 19# 1.02 1.07 1.00 20# 0.91 0.84 0.90 21# 0.81 0.81 0.80 22# 0.71 0.71 .070 Sizes:8#--22# Package:pvc inside hessian cloth outside
