Specification :

Shunfa produces good quality black iron wire for customers.

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.

Sizes of Iron Wire:
Wire Gauge
SWG in mm
BWG in mm
In Metric System mm
8#
4.06
4.19
4.00
9#
3.66
3.76
-
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
-
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
0.89
0.90
21#
0.81
0.813
0.80
22#
0.71
0.711
0.70
23# to 34# also available for galvanized iron wire.