Basic Metric Thread Chart (M1 - M100)
| Diameter | Coarse Pitch | Fine Thread Pitches | ||
|---|---|---|---|---|
| M1 | 0.25 | 0.2 | ||
| M1.2 | 0.25 | 0.2 | ||
| M1.4 | 0.3 | 0.2 | ||
| M1.6 | 0.35 | 0.2 | ||
| M1.7 | 0.35 | |||
| M1.8 | 0.35 | 0.2 | ||
| M2 | 0.4 | 0.25 | ||
| M2.2 | 0.45 | 0.25 | ||
| M2.3 | 0.4 | |||
| M2.5 | 0.45 | 0.35 | ||
| M2.6 | 0.45 | |||
| M3 | 0.5 | 0.35 | ||
| M3.5 | 0.6 | 0.35 | ||
| M4 | 0.7 | 0.5 | ||
| M5 | 0.8 | 0.5 | ||
| M6 | 1 | 0.75 | ||
| M7 | 1 | 0.75 | ||
| M8 | 1.25 | 1 | 0.75 | |
| M9 | 1.25 | 1 | 0.75 | |
| M10 | 1.5 | 1.25 | 1 | 0.75 |
| M11 | 1.5 | 1 | 0.75 | |
| M12 | 1.75 | 1.5 | 1.25 | 1 |
| M14 | 2 | 1.5 | 1.25 | 1 |
| M16 | 2 | 1.5 | 1 | |
| M18 | 2.5 | 2 | 1.5 | 1 |
| M20 | 2.5 | 2 | 1.5 | 1 |
| M22 | 2.5 | 2 | 1.5 | 1 |
| M24 | 3 | 2 | 1.5 | 1 |
| M27 | 3 | 2 | 1.5 | 1 |
| M30 | 3.5 | 3 | 2 | 1.5 |
| M33 | 3.5 | 3 | 2 | 1.5 |
| M36 | 4 | 3 | 2 | 1.5 |
| M39 | 4 | 3 | 2 | 1.5 |
| M42 | 4.5 | 4 | 3 | 2 |
| M45 | 4.5 | 4 | 3 | 2 |
| M48 | 5 | 4 | 3 | 2 |
| M52 | 5 | 4 | 3 | 2 |
| M56 | 5.5 | 4 | 3 | 2 |
| M60 | 5.5 | 4 | 3 | 2 |
| M64 | 6 | 4 | 3 | 2 |
| M68 | 6 | 4 | 3 | 2 |
| M72 | 6 | 4 | 3 | 2 |
| M80 | 6 | 4 | 3 | 2 |
| M90 | 6 | 4 | 3 | 2 |
| M100 | 6 | 4 | 3 | 2 |
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