Интервалы
номинальных размеров, мм | Обозначение | IT11 | IT12 | IT13 | IT14 | IT15 | IT16 | IT17 | IT18 | IT19 | IT20 | До
6 | 0,075 | 0,120 | 0,180 | 0,300 | 0,480 | 0,750 | 1,200 | 1,800 | 3,000 | 4,800 | Св.
6 до 10 | 0,090 | 0,150 | 0,220 | 0,360 | 0,580 | 0,900 | 1,500 | 2,200 | 3,600 | 5,800 | »
10 » 18 | 0,110 | 0,180 | 0,270 | 0,430 | 0,700 | 1,100 | 1,800 | 2,700 | 4,300 | 7,000 | »
18 » 30 | 0,130 | 0,210 | 0,330 | 0,520 | 0,840 | 1,300 | 2,100 | 3,300 | 5,200 | 8,400 | »
30 » 50 | 0,160 | 0,250 | 0,390 | 0,620 | 1,000 | 1,600 | 2,500 | 3,900 | 6,200 | 10,000 | »
50 » 80 | 0,190 | 0,300 | 0,460 | 0,740 | 1,200 | 1,900 | 3,000 | 4,600 | 7,400 | 12,000 | »
80 » 120 | 0,220 | 0,350 | 0,540 | 0,870 | 1,400 | 2,200 | 3,500 | 5,400 | 8,700 | 14,000 | »
120 » 180 | 0,250 | 0,400 | 0,630 | 1,000 | 1,600 | 2,500 | 4,000 | 6,300 | 10,000 | 16,000 |
»
180 » 250 | 0,290 | 0,460 | 0,720 | 1,150 | 1,850 | 2,900 | 4,600 | 7,200 | 11,500 | 18,500 | »
250 » 315 | 0,320 | 0,520 | 0,810 | 1,300 | 2,100 | 3,200 | 5,200 | 8,100 | 13,000 | 21,000 | »
315 » 400 | 0,360 | 0,570 | 0,890 | 1,400 | 2,300 | 3,600 | 5,700 | 8,900 | 14,000 | 23,000 | »
400 » 500 | 0,400 | 0,630 | 0,970 | 1,550 | 2,500 | 4,000 | 6,300 | 9,700 | 15,500 | 25,000 | »
500 » 630 | 0,440 | 0,700 | 1,100 | 1,750 | 2,800 | 4,400 | 7,000 | 11,000 | 17,500 | 28,000 | »
630 » 800 | 0,500 | 0,800 | 1,250 | 2,000 | 3,200 | 5,000 | 8,000 | 12,500 | 20,000 | 32,000 | »
800 » 1000 | 0,560 | 0,900 | 1,400 | 2,300 | 3,600 | 5,600 | 9,000 | 14,000 | 23,000 | 36,000 | »
1000 » 1250 | 0,660 | 1,050 | 1,650 | 2,600 | 4,200 | 6,600 | 10,500 | 16,500 | 26,000 | 42,000 | »
1250 » 1600 | 0,780 | 1,250 | 1,950 | 3,100 | 5,000 | 7,800 | 12,500 | 19,500 | 31,000 | | »
1600 » 2000 | 0,920 | 1,500 | 2,300 | 3,700 | 6,000 | 9,200 | 15,000 | 23,000 | | | »
2000 » 2500 | 1,100 | 1,750 | 2,800 | 4,400 | 7,000 | 11,000 | 17,500 | | | | »
2500 » 3150 | 1,350 | 2,100 | 3,300 | 5,400 | 8,600 | 13,500 | | | | |
*1
Значения допусков для квалитетов грубее 17-го получены экстраполированием
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