Болты с увеличенной полукруглой головкой и квадратным подголовком
ГОСТ 7802 – 81
![]() |
|||||||
Болты с увеличенной полукруглой головкой и квадратным подголовком класса точности С |
|||||||
---|---|---|---|---|---|---|---|
d | D | k | R≈ | V | f не менее |
b | |
l ≤ 120 | l > 120 | ||||||
5 | 11 | 2,5 | 8 | 5 | 3 | 16 | – |
6 | 14 | 3 | 11 | 6 | 4 | 18 | – |
8 | 18 | 4 | 14 | 8 | 5 | 22 | – |
10 | 23 | 5 | 18 | 10 | 6 | 26 | 32 |
12 | 28 | 6 | 22 | 12 | 8 | 30 | 36 |
16 | 35 | 8 | 26 | 16 | 10 | 38 | 44 |
20 | 44 | 10 | 32 | 20 | 12 | 46 | 52 |
24 | 52 | 12 | 39 | 24 | 15 | 54 | 60 |
|
Стандартные длины | ||||||||
---|---|---|---|---|---|---|---|---|
l | Номинальный диаметр резьбы d | |||||||
5 | 6 | 8 | 10 | 12 | 16 | 20 | 24 | |
12 | × | × | – | – | – | – | – | – |
14 | × | × | × | – | – | – | – | – |
16 | × | × | × | × | – | – | – | – |
20 | × | × | × | × | × | – | – | – |
25 | × | × | × | × | × | × | × | – |
30 | × | × | × | × | × | × | × | – |
35 | × | × | × | × | × | × | × | – |
40 | × | × | × | × | × | × | × | – |
45 | × | × | × | × | × | × | × | – |
50 | × | × | × | × | × | × | × | – |
55 | × | × | × | × | × | × | × | – |
60 | × | × | × | × | × | × | × | – |
65 | × | × | × | × | × | × | × | – |
70 | × | × | × | × | × | × | × | – |
75 | – | × | × | × | × | × | × | × |
80 | – | × | × | × | × | × | × | × |
90 | – | × | × | × | × | × | × | × |
100 | – | × | × | × | × | × | × | × |
110 | – | – | × | × | × | × | × | × |
120 | – | – | × | × | × | × | × | × |
130 | – | – | × | × | × | × | × | × |
140 | – | – | × | × | × | × | × | × |
150 | – | – | × | × | × | × | × | × |
160 | – | – | × | × | × | × | × | × |
170 | – | – | × | × | × | × | × | × |
180 | – | – | × | × | × | × | × | × |
190 | – | – | × | × | × | × | × | × |
200 | – | – | × | × | × | × | × | × |
220 | – | – | × | × | × | × | × | × |
240 | – | – | – | × | × | × | × | × |
260 | – | – | – | × | × | × | × | × |
|