Резьбы UNC ANSI B1.1
UNC Thread ANSI B1.1
UNC - Unified Coarse Thread - Унифицированная крупная резьба
Старое обозначение резьбы NC. Резьбы UNC и NC взаимозаменяемы.
| Типоразмер |
Наружный диаметр, дюймов |
Наружный диаметр, мм |
Диаметр сверления, мм |
Число витков на дюйм |
Шаг, мм |
| N 1 - 64 UNC |
0,073 |
1,854 |
1,50 |
64 |
0,397 |
| N 2 - 56 UNC |
0,086 |
2,184 |
1,80 |
56 |
0,453 |
| N 3 - 48 UNC |
0,099 |
2,515 |
2,10 |
48 |
0,529 |
| N 4 - 40 UNC |
0,112 |
2,845 |
2,35 |
40 |
0,635 |
| N 5 - 40 UNC |
0,125 |
3,175 |
2,65 |
40 |
0,635 |
| N 6 - 32 UNC |
0,138 |
3,505 |
2,85 |
32 |
0,794 |
| N 8 - 32 UNC |
0,164 |
4,166 |
3,50 |
32 |
0,794 |
| N 10 - 24 UNC |
0,190 |
4,826 |
4,00 |
24 |
1,058 |
| N 12 - 24 UNC |
0,216 |
5,486 |
4,65 |
24 |
1,058 |
| 1/4" - 20 UNC |
0,250 |
6,350 |
5,35 |
20 |
1,270 |
| 5/16" - 18 UNC |
0,313 |
7,938 |
6,80 |
18 |
1,411 |
| 3/8" - 16 UNC |
0,375 |
9,525 |
8,25 |
16 |
1,587 |
| 7/16" - 14 UNC |
0,438 |
11,112 |
9,65 |
14 |
1,814 |
| 1/2" - 13 UNC |
0,500 |
12,700 |
11,15 |
13 |
1,954 |
| 9/16" - 12 UNC |
0,563 |
14,288 |
12,60 |
12 |
2,117 |
| 5/8" - 11 UNC |
0,625 |
15,875 |
14,05 |
11 |
2,309 |
| 3/4" - 10 UNC |
0,750 |
19,050 |
17,00 |
10 |
2,540 |
| 7/8" - 9 UNC |
0,875 |
22,225 |
20,00 |
9 |
2,822 |
| 1" - 8 UNC |
1,000 |
25,400 |
22,25 |
8 |
3,175 |
| 1 1/8" - 7 UNC |
1,125 |
28,575 |
25,65 |
7 |
3,628 |
| 1 1/4" - 7 UNC |
1,250 |
31,750 |
28,85 |
7 |
3,628 |
| 1 3/8" - 6 UNC |
1,375 |
34,925 |
31,55 |
6 |
4,233 |
| 1 1/2" - 6 UNC |
1,500 |
38,100 |
34,70 |
6 |
4,233 |
| 1 3/4" - 5 UNC |
1,750 |
44,450 |
40,40 |
5 |
5,080 |
| 2" - 4 1/2 UNC |
2,000 |
50,800 |
46,30 |
4,5 |
5,644 |
| 2 1/4" - 4 1/2 UNC |
2,250 |
57,150 |
52,65 |
4,5 |
5,644 |
| 2 1/2" - 4 UNC |
2,500 |
63,500 |
58,50 |
4 |
6,350 |
| 2 3/4" - 4 UNC |
2,750 |
69,850 |
64,75 |
4 |
6,350 |
| 3" - 4 UNC |
3,000 |
76,200 |
71,10 |
4 |
6,350 |
| 3 1/4" - 4 UNC |
3,250 |
82,550 |
77,45 |
4 |
6,350 |
| 3 1/2" - 4 UNC |
3,500 |
88,900 |
83,80 |
4 |
6,350 |
| 3 3/4" - 4 UNC |
3,750 |
95,250 |
90,15 |
4 |
6,350 |
| 4" - 4 UNC |
4,000 |
101,600 |
96,50 |
4 |
6,350 |
 |
