| Nominal Size |
Pitch 1 (Coarse) |
Pitch 2 (Fine) |
Pitch 3 (Fine) |
Pitch 4 (Fine) |
Pitch 5 (Fine) |
Pitch 6 (Fine) |
Accuracy |
| M1.0 | 0.25 | 0.20 | | | | | 3h/4h/5g6g/5h6h/6e/6g/6h/7g6g/7h6h/8g/8h |
| 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 | 0.4 | 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 | 0.50 | | |
| M12.0 | 1.75 | 1.50 | 1.25 | 1.00 | 0.75 | 0.50 | |
| M14.0 | 2.00.. | 1.50 | 1.25 | 0.75 | 0.75 | 0.50 | |
| M16.0 | 2.00 | 1.50 | 1.00 | 1.00 | 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 | | | | | | | |
M1 X 0.25 thread ring gages
M1.1 X 0.25 thread ring gauge
M1.2 X 0.25 . . .
M130 X 6 thread ring gauges
M140 X 6 thread ring gages
M320 thread ring gage
