Industrial Bolts and Rod Diameters

Various industrial bolt and rod diameters are available for Elgin Fastener Group’s standard and specialty industrial fastener products. See the chart below for the full listing.

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 11.7211.92
5/0 7/16 .462.437 11.7211.11
4/0 3/8 .394.375 10.009.52
3/0 11/32 .363.343 9.218.73
2/0 5/16 .331.312 8.417.94
1/0 19/64 .307.297 7.797.54
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