Thread plug gauges| Nominal Size | coarse | Fine | Accuracy | ||||
|---|---|---|---|---|---|---|---|
| Pitch 1 | Pitch 2 | Pitch 3 | Pitch 4 | Pitch 5 | Pitch 6 | ||
| M1.0 | 0.25 | 0.20 |
4H 4H5H 5G 5H 5H6H 6G 6H 7G 7H |
||||
| M1.1 | 0.25 | 0.20 | |||||
| M1.2 | 0.25 | 0.20 | |||||
| M1.4 | 0.30 | 0.20 | |||||
| M1.6 | 0.35 | 0.20 | |||||
| M1.8 | 0.35 | 0.20 | |||||
| M2.0 | 0.40 | 0.25 | |||||
| M2.2 | 0.45 | 0.25 | |||||
| M2.5 | 0.45 | 0.35 | |||||
| M3.0 | 0.50 | 0.35 | |||||
| M3.5 | 0.60 | 0.35 | |||||
| M4.0 | 0.70 | 0.50 | |||||
| M5.0 | 0.80 | 0.50 | |||||
| M6.0 | 1.00 | 0.75 | 0.50 | ||||
| M8.0 | 1.25 | 1.00 | 0.75 | 0.50 | |||
| M10.0 | 1.50 | 1.25 | 1.00 | 0.75 | 0.5 | ||
| M12.0 | 1.75 | 1.50 | 1.25 | 1.00 | 0.75 | 0.50 | |
| M14.0 | 2.00 | 1.50 | 1.25 | 1.00 | 0.75 | 0.50 | |
| M16.0 | 2.00 | 1.50 | 1.00 | 0.75 | 0.50 | ||
| M18.0 | 2.50 | 2.00 | 1.50 | 1.00 | 0.75 | 0.50 | |
| M20.0 | 2.50 | 2.00 | 1.50 | 1.00 | 0.75 | 0.50 | |
| M22.0 | 2.50 | 2.00 | 1.50 | 1.00 | 0.75 | 0.50 | |
| M24.0 | 3.00 | 2.00 | 1.50 | 1.00 | 0.75 | 0.50 | |
| M27.0 | 3.00 | 2.00 | 1.50 | 1.00 | 0.75 | ||
| M30.0 | 3.50 | 3.00 | 2.00 | 1.50 | 1.00 | 0.75 | |
| M33.0 | 3.50 | 3.00 | 2.00 | 1.50 | 1.00 | 0.75 | |
| M36.0 | 4.00 | 3.00 | 2.00 | 1.50 | 1.00 | ||
| M39.0 | 4.00 | 3.00 | 2.00 | 1.50 | 1.00 | 1.00 | |
| M42.0 | 4.50 | 4.00 | 3.00 | 2.00 | 1.50 | 1.00 | |
| M45.0 | 4.50 | 4.00 | 3.00 | 2.00 | 1.50 | 1.00 | |
| M48.0 | 5.00 | 4.00 | 3.00 | 2.00 | 1.50 | 1.00 | |
| M52.0 | 5.00 | 4.00 | 3.00 | 2.00 | 1.50 | 1.00 | |
| M56.0 | 5.50 | 4.00 | 3.00 | 2.00 | 1.50 | 1.00 | |
| M60.0 | 5.50 | 4.00 | 3.00 | 2.00 | 1.50 | 1.00 | |
| M64.0 | 6.00 | 4.00 | 3.00 | 2.00 | 1.50 | 1.00 | |
| M68.0 | 6.00 | 4.00 | 3.00 | 2.00 | 1.50 | 1.00 | |
| M72.0 | 6.00 | 4.00 | 3.00 | 2.00 | 1.50 | 1.00 | |
| M76.0 | 6.00 | 4.00 | 3.00 | 2.00 | 1.50 | 1.00 | |
| M80.0 | 6.00 | 4.00 | 3.00 | 2.00 | 1.50 | ||
| M85.0 | 6.00 | 4.00 | 3.00 | 2.00 | 1.50 | ||
| M90.0 | 6.00 | 4.00 | 3.00 | 2.00 | 1.50 | ||
| M95.0 | 6.00 | 4.00 | 3.00 | 2.00 | 1.50 | ||
| M100.0 | 6.00 | 4.00 | 3.00 | 2.00 | 1.50 | ||
| M105.0 | 6.00 | 4.00 | 3.00 | 2.00 | 1.50 | ||
| M110.0 | 6.00 | 4.00 | 3.00 | 2.00 | 1.50 | ||
| M115.0 | 6.00 | 4.00 | 3.00 | 2.00 | 1.50 | ||
| M120.0 | 6.00 | 4.00 | 3.00 | 2.00 | 1.50 | ||
| M125.0 | 6.00 | 4.00 | 3.00 | 2.00 | 1.50 | ||
| M130.0 | 6.00 | 4.00 | 3.00 | 2.00 | 1.50 | ||
| M140.0 | 6.00 | 4.00 | 3.00 | 2.00 | 1.50 | ||
| ...... | ...... | ...... | ...... | ...... | ...... | ||
| M320 | |||||||