Nominal Diameter
Metric | Pitch | Tolerance class
Thread plug | Tolerance class
Thread ring |
| M1 | 0.25 mm | 5H | 6h |
| M1.1 | 0.25 mm | 5H | 6h |
| M1.2 | 0.25 mm | 5H | 6h |
| M1.4 | 0.30 mm | 5H | 6h |
| UNIFIED | | | |
| 1.00 UNM | 0.25 mm | - | - |
| 1.20 UNM | 0.25 mm | - | - |
| No.0 (0.060")UNF | 80 TPI | 2B | 2A |
| Note: Below 1 mm on request | | | |
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