| SPECIFIED SIZES | TOLERANCES FOR ROUNDS IN MM | |
|---|---|---|
| DIN 671 h9 | DIN 668 h11 | |
| 3.01 mm to 6.00 mm 1/8” to 1/4", excl. | + 0.000 - 0.030 | + 0.000 - 0.075 |
| 6.01 mm to 10.00 mm 1/4" to 13/32, excl. | + 0.000 - 0.036 | + 0.000 - 0.090 |
| 10.01 mm to 18.00 mm 13/32” to 23/32”, excl. | + 0.000 - 0.043 | + 0.000 - 0.110 |
| 18.01 mm to 30.00 mm 23/32” to 1-3/16” | + 0.000 - 0.052 | + 0.000 - 0.130 |
| 30.01 mm to 50.00 mm Over 1-3/16” to 2”, excl. | + 0.000 - 0.062 | + 0.000 - 0.160 |
| 50.01 mm to 80.00 mm 2” to 3” | + 0.000 - 0.074 | + 0.000 - 0.190 |
| 80.01 mm to 102.00 mm Over 3” to 4” | + 0.000 - 0.087 | + 0.000 - 0.220 |