| Thread | The external thread tolerance 6g (SCREWS) | The internal thread tolerance 6H (NUTS) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| External diameter | Lead diameter | Core diameter | External diameter | Lead diameter | Core diameter | ||||||
| dmax | dmin | d2max | d2min | d3max | d3min | Dmin | D2max | D2min | D3max | D3min | |
| M1 | 1,000 | 0,933 | 0,838 | 0,785 | 0,693 | 0,630 | 1,000 | 0,838 | 0,894 | 0,729 | 0,785 |
| M1,2 | 1,200 | 1,133 | 1,038 | 0,985 | 0,893 | 0,830 | 1,200 | 1,038 | 1,094 | 0,929 | 0,985 |
| M1,4 | 1,400 | 1,325 | 1,205 | 1,149 | 1,032 | 0,964 | 1,400 | 1,205 | 1,265 | 1,075 | 1,142 |
| M1,6 | 1,581 | 1,496 | 1,354 | 1,291 | 1,151 | 1,075 | 1,600 | 1,373 | 1,458 | 1,221 | 1,321 |
| M1,8 | 1,781 | 1,696 | 1,554 | 1,491 | 1,352 | 1,275 | 1,800 | 1,573 | 1,658 | 1,421 | 1,521 |
| M2 | 1,981 | 1,886 | 1,721 | 1,654 | 1,490 | 1,407 | 2,000 | 1,740 | 1,830 | 1,567 | 1,679 |
| M2,5 | 2,480 | 2,380 | 2,188 | 2,117 | 1,928 | 1,840 | 2,500 | 2,208 | 2,303 | 2,013 | 2,138 |
| M3 | 2,980 | 2,874 | 2,655 | 2,580 | 2,367 | 2,273 | 3,000 | 2,675 | 2,775 | 2,459 | 2,599 |
| M3,5 | 3,479 | 3,354 | 3,089 | 3,004 | 2,743 | 2,635 | 3,500 | 3,110 | 3,222 | 2,850 | 3,010 |
| M4 | 3,978 | 3,838 | 3,523 | 3,433 | 3,119 | 3,002 | 4,000 | 3,545 | 3,663 | 3,242 | 3,422 |
| M5 | 4,976 | 4,826 | 4,456 | 4,361 | 3,995 | 3,869 | 5,000 | 4,480 | 4,605 | 4,134 | 4,334 |
| M6 | 5,974 | 5,794 | 5,324 | 5,212 | 4,747 | 4,596 | 6,000 | 5,350 | 5,500 | 4,917 | 5,153 |
| M7 | 6,974 | 6,794 | 6,324 | 6,212 | 5,747 | 5,596 | 7,000 | 6,350 | 6,500 | 5,917 | 6,153 |
| M8 | 7,972 | 7,760 | 7,160 | 7,042 | 6,438 | 6,272 | 8,000 | 7,188 | 7,348 | 6,647 | 6,912 |
| M10 | 9,968 | 8,732 | 8,994 | 8,862 | 8,128 | 7,938 | 10,000 | 9,026 | 9,206 | 8,376 | 8,676 |
| M12 | 11,966 | 11,701 | 10,829 | 10,679 | 9,819 | 9,602 | 12,000 | 10,863 | 11,063 | 10,106 | 10,441 |
| M14 | 13,962 | 13,682 | 12,663 | 12,503 | 11,508 | 11,271 | 14,000 | 12,701 | 12,913 | 11,835 | 12,210 |
| M16 | 15,962 | 15,682 | 14,663 | 14,503 | 13,508 | 13,271 | 16,000 | 14,701 | 14,913 | 13,835 | 14,210 |
| M18 | 17,958 | 17,623 | 16,334 | 16,164 | 14,891 | 14,625 | 18,000 | 16,376 | 16,600 | 15,294 | 15,744 |
| M20 | 19,958 | 19,623 | 18,334 | 18,164 | 16,891 | 16,625 | 20,000 | 18,376 | 18,600 | 17,294 | 17,744 |
| M22 | 21,958 | 21,623 | 20,334 | 20,164 | 18,891 | 18,625 | 22,000 | 20,376 | 20,600 | 19,294 | 19,744 |
| M24 | 23,952 | 23,577 | 22,003 | 21,803 | 20,271 | 19,955 | 24,000 | 22,051 | 22,316 | 20,752 | 21,252 |
| M2726,952 | 26,577 | 25,003 | 24,803 | 23,271 | 22,955 | 27,000 | 25,051 | 25,316 | 23,752 | 24,252 | |
| M30 | 29,947 | 29,522 | 27,674 | 27,462 | 25,658 | 25,306 | 30,000 | 27,727 | 28,007 | 26,211 | 26,771 |
| M33 | 32,947 | 32,522 | 30,674 | 30,462 | 28,653 | 28,306 | 33,000 | 30,727 | 31,007 | 29,211 | 29,771 |
| M36 | 35,940 | 35,465 | 33,342 | 33,118 | 31,033 | 30,655 | 36,000 | 33,402 | 33,007 | 31,670 | 32,270 |
| M39 | 38,940 | 38,465 | 36,342 | 36,118 | 34,033 | 33,655 | 39,000 | 36,402 | 36,702 | 34,670 | 35,270 |
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