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Rod, Bar & Wire Cold Finished
Standard Tolerances
Diameter
Round Wire and Rod, Cold Finished
| Specified Diameter (inches) |
Tolerance - Inches Plus and Minus
(Allowable Deviation from Specified Diameter) |
| Drawn Wire |
Cold Finished Rod |
Rolled Rod |
| Plus |
Minus |
| Up thru 0.035 |
.0005 |
- |
- |
- |
| 0.036-0.064 |
.001 |
- |
- |
- |
| 0.065-0.374 |
.0015 |
- |
- |
- |
| 0.375-0.500 |
- |
.0015 |
- |
- |
| 0.501-1.000 |
- |
.002 |
- |
- |
| 1.001-1.500 |
- |
.0025 |
- |
- |
| 1.501-2.000 |
- |
.004 |
.006 |
.006 |
| 2.001-3.000 |
- |
.006 |
.008 |
.008 |
| 3.001-3.499 |
- |
.008 |
.012 |
.012 |
| 3.500-5.000 |
- |
.012 |
.031 |
.016 |
| 5.001-8.000 |
- |
- |
.062 |
.031 |
DISTANCE ACROSS FLATS
Square, Hexagonal, and Octagonal Wire and Bar
| Specified Distance Across Flats - Inches |
Tolerance - Inches Plus and Minus |
| (Allowable Deviation from Specified Distance Across Flats) |
| Drawn Wire |
Cold Finished Bar |
| Up thru 0.035 |
.001 |
- |
| 0.036-0.064 |
.0015 |
- |
| 0.065-0.374 |
.002 |
- |
| 0.375-0.500 |
- |
.002 |
| 0.501-1.000 |
- |
.0025 |
| 1.001-1.500 |
- |
.003 |
| 1.501-2.000 |
- |
.005 |
| 2.001-3.000 |
- |
.008 |
THICKNESS AND WIDTH
Rectangular Wire and Bar
| Specified Thickness or Width - Inches |
Tolerance - Inches Plus and Minus |
| (Allowable Deviation from Specified Distance Across Flats) |
| Drawn Wire and Cold Finished Bar |
| Thickness |
Width |
| Up thru 0.035 |
.001 |
- |
| 0.036-0.064 |
.0015 |
- |
| 0.065-0.500 |
.002 |
.002 |
| 0.751-1.000 |
.0025 |
.0025 |
| 1.001-1.500 |
.003 |
.003 |
| 1.501-2.000 |
.005 |
.005 |
| 2.001-3.000 |
.008 |
.008 |
| 3.001-4.000 |
- |
.010 |
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