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Резьбы Уитворта мелкие BS 84
BSF 1 1/8", BSF 1 1/4", BSF 1 3/8", BSF 1 1/2", BSF 1 5/8", BSF 1 3/4", BSF 2",
BSF 2 1/4", BSF 2 1/2", BSF 2 3/4", BSF 3", BSF 3 1/4", BSF 3 1/2", BSF
3 3/4", BSF 4"
Whitworth Fine Thread BS 84
Британский стандарт мелкой резьбы
BSF - резьбы для крепежа. Мелкие резьбы, широко распространенные в британском машиностроении, заменены американскими резьбами UNF.
| Типоразмер |
Наружный диаметр, дюймов |
Наружный диаметр, мм |
Диаметр сверления, мм |
Число витков на дюйм |
Шаг, мм |
| BSF 3/16" |
3/16 |
4,763 |
3,747 |
32 |
0,794 |
| BSF 7/32" |
7/32 |
5,556 |
4,394 |
28 |
0,907 |
| BSF 1/4" |
1/4 |
6,350 |
5,100 |
26 |
0,977 |
| BSF 9/32" |
9/32 |
7,142 |
5,893 |
26 |
0,977 |
| BSF 5/16" |
5/16 |
7,938 |
6,459 |
22 |
1,154 |
| BSF 3/8" |
3/8 |
9,525 |
7,899 |
20 |
1,270 |
| BSF 7/16" |
7/16 |
11,113 |
9,304 |
18 |
1,411 |
| BSF 1/2" |
1/2 |
12,700 |
10,668 |
16 |
1,587 |
| BSF 9/16" |
9/16 |
14,288 |
12,256 |
16 |
1,587 |
| BSF 5/8" |
5/8 |
15,875 |
13,549 |
14 |
1,814 |
| BSF 11/16" |
11/16 |
17,463 |
15,137 |
14 |
1,814 |
| BSF 3/4" |
3/4 |
19,050 |
16,336 |
12 |
2,117 |
| BSF 7/8" |
7/8 |
22,225 |
19,269 |
11 |
2,309 |
| BSF 1" |
1 |
25,400 |
22,148 |
10 |
2,540 |
| BSF 1 1/8" |
1 1/8 |
28,575 |
24,963 |
9 |
2,822 |
| BSF 1 1/4" |
1 1/4 |
31,750 |
28,138 |
9 |
2,822 |
| BSF 1 3/8" |
1 3/8 |
34,925 |
30,861 |
8 |
3,175 |
| BSF 1 1/2" |
1 1/2 |
38,100 |
34,036 |
8 |
3,175 |
| BSF 1 5/8" |
1 5/8 |
41,275 |
37,211 |
8 |
3,175 |
| BSF 1 3/4" |
1 3/4 |
44,450 |
39,802 |
7 |
3,628 |
| BSF 2" |
2 |
50,800 |
46,152 |
7 |
3,628 |
| BSF 2 1/4" |
2 1/4 |
57,150 |
51,730 |
6 |
4,233 |
| BSF 2 1/2" |
2 1/2 |
63,500 |
58,080 |
6 |
4,233 |
| BSF 2 3/4" |
2 3/4 |
69,850 |
64,430 |
6 |
4,233 |
| BSF 3" |
3 |
76,200 |
69,692 |
5 |
5,080 |
| BSF 3 1/4" |
3 1/4 |
82,550 |
76,042 |
5 |
5,080 |
| BSF 3 1/2" |
3 1/2 |
88,900 |
81,670 |
4,5 |
5,644 |
| BSF 3 3/4" |
3 3/4 |
95,250 |
88,020 |
4,5 |
5,644 |
| BSF 4" |
4 |
101,600 |
94,370 |
4,5 |
5,644 |
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