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Tolerances Per ASTM-A484
| Hot Rolled Rounds |
| Specified Size |
Over |
Under |
Out-of-Round |
| Over 5/16 to 7/16 |
0.006 |
0.006 |
0.009 |
| Over 7/16 to 5/8 |
0.007 |
0.007 |
0.010 |
| Over 5/8 to 7/8 |
0.008 |
0.008 |
0.012 |
| Over 7/8 to 1 |
0.009 |
0.009 |
0.013 |
| Over 1 to 1-1/8 |
0.010 |
0.010 |
0.015 |
| Over 1-1/8 to 1-1/4 |
0.011 |
0.011 |
0.016 |
| Over 1-1/4 to 1-3/8 |
0.012 |
0.012 |
0.018 |
| Over 1-3/8 to 1-1/2 |
0.014 |
0.014 |
0.021 |
| Over 1-1/2 to 2 |
1/64 |
1/64 |
0.023 |
| Over 2 to 2-1/2 |
1/32 |
0 |
0.023 |
| Over 2-1/2 to 3-1/2 |
3/64 |
0 |
0.035 |
| Over 3-1/2 to 4-1/2 |
1/16 |
0 |
0.046 |
| Over 4-1/2 to 5-1/2 |
5/64 |
0 |
0.058 |
| Over 5-1/2 to 6-1/2 |
1/8 |
0 |
0.070 |
| Over 6-1/2 to 8 |
5/32 |
0 |
0.085 |
| Over 8 to 12 |
3/16 |
0 |
3/32 |
| Over 12 to 15 |
7/32 |
0 |
7/64 |
| Over 15 to 25 |
1/4 |
0 |
1/8 |
| Cold Finished Rounds |
| Specified Size |
Over |
Under |
| 1/16 to 5/16 |
0.001 |
0.001 |
| 5/16 to 1/2 |
0.0015 |
0.0015 |
| 1/2 to 1 |
0.002 |
0.002 |
| 1 to 1-1/2 |
0.0025 |
0.0025 |
| 1-1/2 to 3-1/4 |
0.003 |
0.003 |
| 3-1/4 to 4 |
0.005 |
0.005 |