Методичка по резьбам и гайкам / ГОСТы / Болты - справочная таблица
.docБолты
Болты общего назначения различного исполнения (в скобках — шероховатость поверхности болтов класса точности А)
Таблица 1.
Длина болтов М6...М48 с шестигранной головкой класса точности А
по ГОСТ 7798-70 и ГОСТ 7805-70, мм
l
|
М6 |
M8 |
М10 |
М12 |
М16 |
М18 |
||||||
l1 |
b |
l1 |
b |
l1 |
b |
l1 |
b |
l1 |
b |
l1 |
b |
|
8 |
— |
* |
|
* |
|
— |
|
— |
|
— |
|
— |
10 |
— |
* |
— |
* |
— |
* |
— |
— |
— |
— |
— |
— |
12 |
— |
* |
— |
* |
— |
* |
— |
— |
— |
— |
— |
— |
14 |
10 |
* |
— |
* |
— |
* |
— |
* |
— |
— |
— |
— |
16 |
12 |
* |
12 |
* |
— |
* |
— |
* |
— |
— |
— |
— |
20 |
16 |
* |
16 |
* |
16 |
* |
15 |
* |
— |
* |
— |
* |
25 |
21 |
18 |
21 |
* |
21 |
* |
20 |
* |
19 |
* |
— |
* |
30 |
26 |
18 |
26 |
22 |
26 |
* |
25 |
* |
24 |
* |
24 |
* |
35 |
31 |
18 |
31 |
22 |
31 |
26 |
30 |
* |
29 |
* |
29 |
* |
40 |
36 |
18 |
36 |
22 |
36 |
26 |
35 |
30 |
34 |
* |
34 |
* |
45 |
41 |
18 |
41 |
22 |
41 |
26 |
40 |
30 |
39 |
38 |
39 |
* |
50 |
46 |
18 |
46 |
22 |
46 |
26 |
45 |
30 |
44 |
38 |
44 |
42 |
55 |
51 |
18 |
51 |
22 |
51 |
26 |
50 |
30 |
49 |
38 |
49 |
42 |
60 |
56 |
18 |
56 |
22 |
56 |
26 |
55 |
30 |
54 |
38 |
54 |
42 |
65 |
61 |
18 |
61 |
22 |
61 |
26 |
60 |
30 |
59 |
38 |
58 |
42 |
70 |
66 |
18 |
66 |
22 |
66 |
26 |
65 |
30 |
64 |
38 |
64 |
42 |
75 |
71 |
18 |
71 |
22 |
71 |
26 |
70 |
30 |
69 |
38 |
69 |
42 |
80 |
76 |
18 |
76 |
22 |
76 |
26 |
75 |
30 |
74 |
38 |
74 |
42 |
90 |
86 |
18 |
86 |
22 |
86 |
26 |
85 |
30 |
84 |
38 |
84 |
42 |
100 |
— |
— |
96 |
22 |
96 |
26 |
95 |
30 |
94 |
38 |
94 |
42 |
110 |
— |
— |
— |
— |
106 |
26 |
105 |
30 |
104 |
38 |
104 |
42 |
l |
М20 |
М24 |
М30 |
M36 |
М42 |
М48 |
||||||
l 1 |
b |
l 1 |
b |
l 1 |
b |
l 1 |
b |
l 1 |
b |
l 1 |
b |
|
25 |
— |
* |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
30 |
24 |
* |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
35 |
29 |
* |
28 |
* |
— |
— |
— |
— |
— |
— |
— |
— |
40 |
34 |
* |
33 |
* |
— |
— |
— |
— |
— |
— |
— |
— |
45 |
39 |
* |
38 |
* |
36 |
* |
— |
— |
— |
— |
— |
— |
50 |
44 |
* |
43 |
* |
41 |
* |
40 |
* |
— |
— |
— |
— |
55 |
49 |
46 |
48 |
* |
46 |
* |
45 |
* |
— |
* |
— |
— |
60 |
54 |
46 |
53 |
* |
51 |
* |
50 |
* |
48 |
* |
— |
— |
65 |
59 |
46 |
58 |
54 |
56 |
* |
55 |
* |
53 |
* |
— |
* |
70 |
64 |
46 |
63 |
54 |
61 |
* |
60 |
* |
58 |
* |
58 |
* |
75 |
69 |
46 |
68 |
54 |
66 |
66 |
65 |
* |
63 |
* |
63 |
* |
80 |
74 |
46 |
73 |
54 |
71 |
66 |
70 |
* |
68 |
* |
68 |
* |
90 |
84 |
46 |
83 |
54 |
81 |
66 |
80 |
78 |
78 |
* |
78 |
* |
100 |
94 |
46 |
93 |
54 |
91 |
66 |
90 |
78 |
88 |
* |
88 |
* |
110 |
104 |
46 |
103 |
54 |
101 |
66 |
100 |
78 |
98 |
90 |
98 |
* |
120 |
114 |
46 |
113 |
54 |
111 |
66 |
110 |
78 |
108 |
90 |
108 |
102 |
Таблица 2.
d |
М6 |
М8 |
М10 |
М12 |
М16 |
М18 |
М20 |
М24 |
М30 |
М36 |
М42 |
М48 |
k |
4,0 |
5,3 |
6,4 |
7,5 |
10,0 |
12,0 |
12,5 |
15 |
18,7 |
22,5 |
26,0 |
30,0 |
S |
10 |
13 |
17 |
19 |
24 |
27 |
30 |
36 |
46 |
55 |
65 |
75 |
b |
18 |
22 |
26 |
30 |
38 |
42 |
46 |
54 |
66 |
78 |
90 |
102 |