Введен в действие постановлением Госстандарта СССР от 16 июня 1980 г. N 2802
Государственный стандарт Союза ССР ГОСТ 2906-80* (СТ СЭВ 1292-84)
"КЛЮЧИ ГАЕЧНЫЕ КОЛЬЦЕВЫЕ ДВУСТОРОННИЕ КОЛЕНЧАТЫЕ. КОНСТРУКЦИЯ И РАЗМЕРЫ"
Double-ended bent ring spanners. Construction and dimensions
Срок действия установлен с 1 января 1981 г. до 1 января 1991 г.
Ограничение срока действия снято в 1989 г.
Взамен ГОСТ 2906-71
1. Настоящий стандарт распространяется на гаечные кольцевые двусторонние коленчатые ключи с размерами зевов от 5, 5х7 до 50х55 мм, изготовляемые для нужд народного хозяйства и для экспорта.
2. Основные размеры ключей должны соответствовать указанным на чертеже и в таблице.
мм
Обозначение ключей
|
Применяемость
|
Размеры зевов S_1хS_2,
|
d_1
|
d_2
|
b_1
|
b_2
|
h (пред. откл. +-4, 0)
|
l
|
1-й ряд
|
2-й ряд
|
Пред. откл. по i_s 17
| |
Номин.
|
Пред. откл.
|
7811-0281
| |
5, 5х7
|
-
|
6
|
6
|
10
|
12
|
21
|
155
|
+-2, 5
|
7811-0501
| |
-
|
6x7
| | |
11
| |
22
| | |
7811-0282
| |
7x8
|
-
| |
7
|
12
|
13
|
23
|
170
| |
7811-0502
| |
-
|
8х9
|
7
|
8
|
13
|
15
| |
180
| |
7811-0283
| |
8х10
|
-
| | | |
16
| | | |
7811-0503
| | |
9х11
|
8
|
9
|
15
|
18
|
24
|
190
| |
7811-0504
| |
10х11
|
-
| | |
16
| | | | |
7811-0284
| | |
10x12
| | | |
19
|
25
|
200
|
+-2, 9
|
7811-0505
| | |
11х12
|
9
| |
18
| | | | |
7811-0506
| |
11х13
|
-
|
10
|
20
|
210
|
7811-0507
| | |
11х14
| | | |
22
|
26
| | |
7811-0285
| |
-
|
12х13
|
19
|
20
|
25
|
7811-0286
| |
-
|
12х14
| | | |
22
|
26
| | |
7811-0287
| |
-
|
13х14
|
10
|
20
|
7811-0515
| |
13х16
|
-
| |
12
| |
26
|
28
|
240
| |
7811-0508
| |
-
|
13х17
|
7811-0288
| |
-
|
14х17
| | |
22
| | | | |
7811-0516
| |
-
|
16X17
|
12
|
26
|
7811-0517
| |
16х18
|
-
| |
13
| |
28
|
30
|
260
| |
7811-0289
| |
-
|
17х19
|
7811-0509
| |
-
|
17х22
| |
14
| |
33
|
32
|
280
|
+-3, 3
|
7811-0518
| |
-
|
18х19
|
28
|
7811-0519
| |
18x21
|
-
|
13
| | | | | | |
7811-0290
| |
-
|
19х22
|
7811-0511
| |
-
|
19х24
| | | |
36
|
34
|
320
| |
7811-0521
| |
-
|
21x22
|
14
|
33
|
7811-0522
| |
21x24
|
-
| | |
33
|
36
| | | |
7811-0291
| |
-
|
22x24
|
7811-0292
| |
24х27
|
-
| |
15
|
36
|
40
|
36
| | |
7811-0512
| |
-
|
24x30
|
16
|
44
|
340
|
7811-0293
| |
27x30
|
-
|
15
| |
40
| | | | |
7811-0513
| |
-
|
27х32
|
17
|
46
|
38
|
360
|
7811-0294
| |
-
|
30х32
|
16
| |
44
| | | | |
7811-0523
| |
30х34
|
-
|
18
|
49
|
7811-0514
| |
-
|
30хЗ6
| |
19
| |
52
|
40
|
400
|
+-3, 8
|
7811-0524
| |
-
|
32х34
|
17
|
18
|
46
|
49
|
7811-0295
| |
-
|
32х36
| |
19
| |
52
| | | |
7811-0525
| |
34х36
|
-
|
18
|
49
|
7811-0296
| |
36х41
|
-
|
19
|
21
|
52
|
61
|
42
|
450
| |
7811-0297
| |
41х46
|
-
|
21
|
23
|
61
|
70
|
45
|
480
| |
7811-0298
| |
46х50
|
-
|
23
|
24
|
70
|
75
|
48
|
500
| |
7811-0299
| |
50x55
|
-
|
24
|
26
|
75
|
83
|
50
|
530
|
+-4, 5
|
Пример условного обозначения ключа с размерами зевов 17X19 мм, повышенной точности П, с шероховатостью поверхностей исполнения 1 по ГОСТ 2838-80, с хромовым покрытием толщиной 9 мкм:
Ключ 7811-0289 П 1 Х9 ГОСТ 2906-80
То же, нормальной точности:
Ключ 7811-0289 1 Х9 ГОСТ 2906-80.
(Измененная редакция, Изм. N 1).
3. Ключи должны изготовляться из стали марки 40ХФА по ГОСТ 4543-71. Допускается применять сталь других марок с механическими свойствами в термообработанном состоянии не ниже чем у стали 40ХФА.
4. Ключи должны иметь прочность по группе А, твердость ключей всех размеров зевов должна быть 41, 5...46, 5 HRC_э.
(Измененная редакция, Изм. N 1).
5. Технические требования - по ГОСТ 2838-80.
6. Размеры конструктивных элементов ключей указаны в рекомендуемом приложении.
Приложение
Рекомендуемое
Размеры конструктивных элементов гаечных ключей
мм
Размеры зевов
|
S
|
а
|
а_1
|
а_2
|
а_3
|
b
|
d
|
l
|
l_1
|
R
|
R_1
|
c
| |
1-й ряд
|
2-й ряд
| | | | | | | | | | | | | |
5, 5х7
|
-
|
5, 5
|
5, 0
|
4, 0
|
5, 0
|
2, 3
|
6
|
8, 4
|
13
|
16
|
3, 5
|
8
|
1, 5
| |
| |
7, 0
| | |
6, 0
| |
8
|
10, 4
|
15
|
18
|
4, 5
|
9
| | |
-
|
6х7
|
6, 0
|
5, 5
|
4, 5
|
5, 5
| |
7
|
9, 4
|
14
|
17
|
4, 0
| | | |
| |
7, 0
| | |
6, 0
| |
8
|
10, 4
|
15
|
18
|
4, 5
| | | |
7х8
|
-
|
8, 0
| | |
6, 5
|
2, 4
|
9
|
11, 1
|
17
|
22
|
5, 0
|
10
| | |
-
|
8х9
|
9, 0
|
6, 0
|
5, 0
|
7, 5
|
2, 5
|
10
|
13, 0
|
19
|
21
|
6, 0
|
11
| | |
8х10
|
-
|
8, 0
| | |
6, 5
|
2, 4
|
9
|
11, 1
|
17
|
22
|
5, 0
|
10
| | |
| |
10, 0
| | |
9, 0
|
2, 6
|
11
|
13, 8
|
20
|
25
|
6, 5
|
12
| | |
|
9х11
|
9, 0
| | |
7, 5
|
2, 5
|
10
|
13, 0
|
19
|
24
|
6, 0
|
11
| | |
| |
11, 0
| | |
9, 5
|
2, 9
|
12
|
15, 6
|
20
|
25
|
7, 0
|
12
| | |
10х11
|
-
|
10, 0
| | |
9, 0
|
2, 6
|
11
|
13, 8
| | |
6, 5
| | | |
| |
11, 0
| | |
9, 5
|
2, 9
|
12
|
15, 6
| | |
7, 0
| | | |
|
10х12
|
10, 0
| | |
9, 0
|
2, 6
|
11
|
13, 8
| | |
6, 5
| | | |
| |
12, 0
| | |
9, 5
|
3, 3
|
12
|
16, 6
| | |
7, 5
| | | |
|
11х12
|
11, 0
|
6, 5
| | |
2, 9
| |
15, 6
| | |
7, 0
| | | |
| |
12, 0
| | | |
3, 3
| |
16, 6
| | |
7, 5
| | | |
11х13
|
-
|
11, 0
| | | |
2, 9
| |
15, 6
| | |
7, 0
| | | |
| |
13, 0
| | |
10, 0
|
3, 3
|
13
|
17, 3
|
22
|
30
|
8, 0
|
13
| | |
|
11х14
|
11, 0
| | |
9, 5
|
2, 9
|
12
|
15, 6
|
20
|
25
|
7, 0
|
12
| | |
| |
14, 0
| | |
10, 5
|
3, 3
|
13
|
19, 3
|
22
|
30
|
9, 0
|
13
| | |
-
|
12х13
|
12, 0
| | |
9, 5
| |
12
|
16, 6
|
20
|
25
|
7, 5
|
12
| | |
| |
13, 0
| | |
10, 0
| |
13
|
17, 3
|
22
|
30
|
8, 0
|
13
| | |
-
|
12х14
|
12, 0
| | |
9, 5
| |
12
|
16, 6
|
20
|
25
|
7, 5
|
12
| | |
| |
14, 0
| | |
10, 5
| |
13
|
19, 3
|
22
|
30
|
9.0
|
13
| | |
-
|
13х14
|
13, 0
|
7, 0
|
5, 5
|
10, 0
| | |
17, 3
| | |
8, 0
| | | |
| |
14, 0
| | |
10, 5
| | |
19, 3
| | |
9, 0
| | | |
13х16
|
-
|
13, 0
| | |
10, 0
| | |
17, 3
| | |
8, 0
| | | |
| |
16, 0
| | |
12, 0
|
3, 5
|
14
|
21, 0
|
24
|
33
|
10, 0
|
14, 0
| | |
-
|
13х17
|
13, 0
| | |
10, 0
|
3, 3
|
13
|
17, 3
|
22
|
30
|
8, 0
|
13
| | |
| |
17, 0
| | |
12, 5
|
3, 6
|
15
|
22, 7
|
25
|
34
|
11, 0
|
14
| | |
-
|
14х17
|
14, 0
|
7, 5
|
6, 0
|
10, 5
|
3, 3
|
13
|
19, 3
|
22
|
30
|
9, 0
|
13
| | |
| |
17, 0
| | |
12, 5
|
3, 6
|
15
|
22, 7
|
25
|
34
|
11, 0
|
14
| | |
-
|
16х17
|
16, 0
| | |
12, 0
|
3, 5
|
14
|
21, 0
|
24
|
33
|
10, 0
|
14
| | |
| |
17, 0
| | |
12, 5
|
3, 6
|
15
|
22, 7
|
25
|
34
|
11, 0
| | | |
16х18
|
-
|
16, 0
| | |
12, 0
|
3, 5
|
14
|
21, 0
|
24
|
33
|
10, 0
| | | |
| |
18, 0
| | |
14, 0
|
3, 7
|
16
|
23, 7
|
27
|
36
|
11, 5
|
15
| | |
-
|
17х19
|
17, 0
|
8, 0
| |
12, 5
|
3, 6
|
15
|
22, 7
|
25
|
34
|
11, 0
|
14
| | |
19, 0
| | |
15, 0
|
3, 7
|
17
|
24, 5
|
28
|
37
|
12, 0
|
15
| | |
-
|
17x22
|
17, 0
| | |
12, 5
|
3, 6
|
15
|
22, 7
|
25
|
34
|
11, 0
|
14
| | |
22, 0
| | |
17, 0
|
4, 4
|
20
|
29, 2
|
31
|
40
|
14, 0
|
16
| | |
-
|
18x19
|
18, 0
| | |
14, 0
|
3, 7
|
16
|
23, 7
|
27
|
36
|
11, 5
|
15
| | |
19, 0
| | |
15, 0
| |
17
|
24, 5
|
28
|
37
|
12, 0
| | | |
18х21
|
-
|
18, 0
| | |
14, 0
| |
16
|
23, 7
|
27
|
36
|
11, 5
| | | |
21, 0
| | |
16, 5
|
4, 0
|
19
|
27, 5
|
30
|
39
|
13, 5
|
16
| | |
-
|
19х22
|
19, 0
|
9, 0
|
7, 0
|
15, 0
|
3, 7
|
17
|
24, 5
|
28
|
37
|
12, 0
|
15
| | |
22, 0
| | |
17, 0
|
4, 4
|
20
|
29, 2
|
31
|
40
|
14, 0
|
16
| | |
-
|
19x24
|
19, 0
| | |
15, 0
|
3, 7
|
17
|
24, 5
|
28
|
37
|
12, 0
|
15
| | |
24, 0
| | |
17, 5
|
4, 9
|
22
|
32, 2
|
34
|
45
|
15, 0
|
18
|
2, 0
| |
-
|
21х22
|
21, 0
| | |
16, 5
|
4, 0
|
19
|
27, 5
|
30
|
39
|
13, 5
|
16
| | |
22, 0
| | |
17, 0
|
4, 4
|
20
|
29, 2
|
31
|
40
|
14, 0
|
16
| | |
21x24
|
-
|
21, 0
|
10, 0
|
8, 0
|
16, 5
|
4, 0
|
19
|
27, 5
|
30
|
39
|
13, 5
|
16
| | |
24, 0
| | |
17, 5
|
4, 9
|
22
|
32, 2
|
34
|
45
|
15, 0
|
18
| | |
-
|
22x24
|
22, 0
| | |
17, 0
|
4, 4
|
20
|
29, 2
|
31
|
40
|
14, 0
|
16
| | |
24, 0
| | |
17, 5
|
4, 9
|
22
|
32, 2
|
34
|
45
|
15, 0
|
18
| | |
24x27
|
-
|
27, 0
| | |
19, 0
|
5, 3
|
24
|
36, 0
|
36
|
48
|
16, 5
|
20
| | |
-
|
24х30
|
24, 0
| | |
17, 5
|
4, 9
|
22
|
32, 2
|
34
|
45
|
15, 0
|
18
| | |
| |
30, 0
| | |
21, 0
|
5, 6
|
25
|
39, 7
|
38
|
50
|
18, 5
|
22
| | |
27x23
|
-
|
27, 0
| | |
19, 0
|
5, 3
|
24
|
36, 0
|
36
|
48
|
16, 5
|
20
| | |
| |
30, 0
| | |
21, 0
|
5, 6
|
25
|
39, 7
|
38
|
50
|
18, 5
|
22
| | |
-
|
27x32
|
27, 0
| | |
19, 0
|
5, 3
|
24
|
36, 0
|
36
|
48
|
16, 5
|
20
| | |
| |
32, 0
| | |
21, 0
|
5, 6
|
25
|
39, 7
|
38
|
50
|
19, 5
|
22
| | |
-
|
30x32
|
30, 0
|
11, 0
|
9, 0
|
21, 0
|
5, 6
|
25
|
39, 7
|
38
|
50
|
18, 5
|
22
|
2, 5
| |
| |
32, 0
| |
5, 7
|
26
|
41, 4
|
40
|
52
|
19, 5
| | | |
30х34
|
-
|
30, 0
|
21, 0
|
5, 6
|
25
|
39, 7
|
38
|
50
|
18, 5
|
22
| | |
| |
34, 0
|
21, 5
|
6, 2
|
27
|
43, 5
|
41
|
55
|
21, 0
|
24
| | |
-
|
30x36
|
30, 0
|
21, 0
|
5, 6
|
25
|
39, 7
|
38
|
50
|
18, 5
|
22
| | |
| |
36, 0
|
22, 0
|
6, 8
|
28
|
46, 8
|
44
|
58
|
22, 0
|
25
| | |
-
|
32x34
|
32, 0
|
21, 0
|
5, 7
|
26
|
41, 4
|
40
|
52
|
19, 5
|
22
| | |
| |
34, о
|
21, 5
|
6, 2
|
27
|
43, 5
|
41
|
55
|
21, 0
|
24
| | |
-
|
32x36
|
32, 0
|
21, 0
|
5, 7
|
26
|
41, 4
|
40
|
52
|
19, 5
|
22
| | |
| |
36, 0
|
22, 0
|
6, 8
|
28
|
46, 8
|
44
|
58
|
22, 0
|
25
| | |
34х36
|
-
|
34, 0
|
21, 5
|
6, 2
|
27
|
43, 5
|
41
|
55
|
21, 0
|
24
| | |
| |
36, 0
|
22, 0
|
6, 8
|
28
|
46, 8
|
44
|
58
|
22, 0
|
25
| | |
36х41
|
-
| | | | | | | | | | | |
| |
41, 0
|
27, 0
|
7, 3
|
32
|
55, 3
|
50
|
65
|
26, 0
|
28
| | |
41х46
|
-
| |
12, 0
|
10, 0
| | | | | | | | |
3, 0
| |
| |
46, 0
| | |
29, 0
|
9, 1
|
35
|
63, 8
|
56
|
62
|
29, 0
|
30
| | |
46х50
|
-
| |
13, 0
|
11, 0
| | | | | | | | | | |
| |
50, 0
| | |
31, 0
|
9, 6
|
38
|
68, 5
|
62
|
80
|
31, 0
|
32
| | |
50х55
|
-
| |
14, 0
|
12, 0
| | | | | | | | | | |
| |
55, 0
| | |
34, 0
|
10, 0
|
40
|
76, 0
|
68
|
88
|
35, 0
|
35
| | |
Предельные отклонения размеров, кроме S, по нормальной точности ГОСТ 7505-74.
(Измененная редакция, Изм. N 1).
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