ГОСТ 6958-78
Шайбы увеличенные. Классы точности А и С.
|
Диаметр резьбы |
d1 |
d2 |
S |
|
|
Класс точности |
||||
|
А |
С |
|||
|
1,0 |
1,1 |
1,2 |
4,0 |
0,3 |
|
1,2 |
1,3 |
1,4 |
4,0 |
0,3 |
|
1,6 |
1,7 |
1,8 |
5,0 |
0,3 |
|
2,0 |
2,2 |
2,4 |
6,0 |
0,5 |
|
2,5 |
2,7 |
2,9 |
8,0 |
0,5 |
|
3,0 |
3,2 |
3,4 |
9,0 |
0,8 |
|
3,5 |
3,7 |
3,9 |
11,0 |
0,8 |
|
4,0 |
4,3 |
4,5 |
12,0 |
1,0 |
|
5,0 |
5,3 |
5,5 |
15,0 |
1,2 |
|
6,0 |
6,4 |
6,6 |
18,0 |
1,6 |
|
8,0 |
8,4 |
9,0 |
24,0 |
2,0 |
|
10,0 |
10,5 |
11,0 |
30,0 |
2,5 |
|
12,0 |
13,0 |
13,5 |
37,0 |
3,0 |
|
14,0 |
15,0 |
15,5 |
44,0 |
3,0 |
|
16,0 |
17,0 |
17,5 |
50,0 |
3,0 |
|
18,0 |
19,0 |
20,0 |
56,0 |
4,0 |
|
20,0 |
21,0 |
22,0 |
60,0 |
4,0 |
|
22,0 |
23,0 |
24,0 |
66,0 |
5,0 |
|
24,0 |
25,0 |
26,0 |
72,0 |
5,0 |
|
27,0 |
28,0 |
30,0 |
85,0 |
6,0 |
|
30,0 |
31,0 |
33,0 |
92,0 |
6,0 |
|
36,0 |
37,0 |
39,0 |
110,0 |
8,0 |
|
42,0 |
- |
45,0 |
125,0 |
10,0 |
|
48,0 |
- |
52,0 |
145,0 |
10,0 |
Пример условного обозначения увеличенной шайбы для крепежной детали с диаметром резьбы 12 мм, с толщиной, установленной в стандарте, из стали марки 08кп, с цинковым покрытием толщиной 6 мкм хроматированным:
Шайба 12.01.08кп.016 ГОСТ 6958-78
