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Rod and Bolt Diameters

Steel Wire
Gauge No.
Common
Fractions
Decimal
Millimeters
10/0
19/32
.593
15.08
8/0
17/32
.531
13.49
7/0
1/2
.500
12.70
6/0

15/32
.490
.469
11.72
11.92
5/0

7/16
.462
.437
11.72
11.11
4/0

3/8
.394
.375
10.00
9.52
3/0

11/32
.363
.343
9.21
8.73
2/0

5/16
.331
.312
8.41
7.94
1/0

19/64
.307
.297
7.79
7.54
1

9/32
.283
.281
7.19
2

1/4
.263
.250
6.67
3
.
.244
6.19
4

7/32
.225
.219
5.72
5
.
.207
5.26
6

3/16
.192
.188
4.88
7
.
.177
4.50
8

5/32
.162
.156
4.12
9
.
.148
3.77
10

1/8
.135
.125
3.43
11
.
.121
3.06