六角头螺栓(摘自GB/T 5782-2000)
螺纹M1.6～M64、性能等级为5.6、8.8、9.8、10.9、A2－70、A4—70、A2—50、A4—50、CU2、CU3和AL4级、产品等级为A和B的六角头螺栓。
标记示例：
螺纹d＝M12、公称长度l＝80mm、性能等级为8.8级、表面氧化、产品等级为A级的六角头螺栓的标记：
螺栓 GB/T 5782 M12×80
螺纹M1.6×M64的六角头螺栓：
螺纹规格
d
|
P1)
|
b参考
|
c
|
da
max
|
ds
|
dw
min
|
e
min
|
lf
max
|
K
|
kw5)
min
|
r
min
|
s
|
ls
|
lg
|
1
|
公称=max
|
min
|
公称
|
产品等级
|
公称=max
|
min
|
产品等级
|
产品等级
|
产品等级
|
A
|
B
|
产品等级
|
产品等级
|
2)
|
3)
|
4)
|
max
|
min
|
A
|
B
|
A
|
B
|
A
|
B
|
max
|
min
|
A
|
B
|
A
|
B
|
M1.6
|
0.35
|
9
|
15
|
28
|
0.25
|
0.10
|
2
|
1.60
|
1.46
|
1.35
|
2.27
|
2.3
|
3.41
|
3.28
|
0.6
|
1.1
|
1.225
|
0.975
|
1.3
|
0.9
|
0.68
|
0.63
|
0.1
|
3.20
|
3.02
|
2.90
|
1.2～5.2
|
3～7
|
12～26
|
M2
|
0.4
|
10
|
16
|
29
|
0.25
|
0.10
|
2.6
|
2.00
|
1.86
|
1.75
|
3.07
|
2.95
|
4.32
|
4.18
|
0.8
|
1.4
|
1.525
|
1.275
|
1.6
|
1.2
|
0.89
|
0.84
|
0.1
|
4.00
|
3.82
|
3.70
|
4～8
|
6～10
|
16～20
|
M2.5
|
0.55
|
11
|
17
|
30
|
0.25
|
0.10
|
3.1
|
2.50
|
2.36
|
2.25
|
4.07
|
3.95
|
5.45
|
5.31
|
1
|
1.7
|
1.825
|
1.575
|
1.9
|
1.5
|
1.10
|
1.05
|
0.1
|
5.00
|
4.82
|
4.70
|
1.75～11.75
|
5～14
|
16～25
|
M3
|
0.5
|
12
|
18
|
31
|
0.40
|
0.15
|
3.6
|
3.00
|
2.86
|
2.75
|
4.57
|
4.45
|
6.01
|
5.88
|
1
|
2
|
2.125
|
1.875
|
2.2
|
1.8
|
1.31
|
1.26
|
0.1
|
5.50
|
5.32
|
5.20
|
5.5～15.5
|
8～18
|
20～30
|
M4
|
0.7
|
14
|
20
|
33
|
0.40
|
0.15
|
4.7
|
4.00
|
3.82
|
3.70
|
5.88
|
5.74
|
7.66
|
7.50
|
1.2
|
2.8
|
2.925
|
2.675
|
3.0
|
2.6
|
1.87
|
1.82
|
0.2
|
7.00
|
6.78
|
6.64
|
7.5～22.5
|
11～26
|
25～40
|
M5
|
0.8
|
16
|
22
|
35
|
0.50
|
0.15
|
5.7
|
5.00
|
4.82
|
4.70
|
6.88
|
6.74
|
8.79
|
8.63
|
1.2
|
3.5
|
3.65
|
3.35
|
3.26
|
2.35
|
2.35
|
2.28
|
0.2
|
8.00
|
7.78
|
7.64
|
5～30
|
9～34
|
25～50
|
M6
|
1
|
18
|
24
|
37
|
0.50
|
0.15
|
6.8
|
6.00
|
5.82
|
5.70
|
8.88
|
8.74
|
11.05
|
10.89
|
1.4
|
4
|
4.15
|
3.85
|
4.24
|
3.76
|
2.70
|
2.63
|
0.25
|
10.00
|
9.78
|
9.64
|
7～37
|
12～42
|
30～60
|
M8
|
1.25
|
22
|
28
|
41
|
0.60
|
0.15
|
9.2
|
8.00
|
7.78
|
7.64
|
11.63
|
11.47
|
14.38
|
14.20
|
2
|
5.3
|
5.45
|
5.15
|
5.54
|
5.06
|
3.61
|
3.54
|
0.4
|
13.00
|
12.73
|
12.57
|
11.57～51.75
|
18～58
|
40
80
|
M10
|
1.5
|
26
|
32
|
45
|
0.60
|
0.15
|
11.2
|
10.00
|
9.78
|
9.64
|
14.63
|
14.47
|
17.77
|
17.59
|
2
|
6.4
|
6.58
|
6.22
|
6.69
|
6.11
|
4.35
|
4.28
|
0.4
|
16.00
|
15.73
|
15.57
|
11.5～66.5
|
19～74
|
45～100
|
M12
|
1.75
|
30
|
36
|
49
|
0.60
|
0.15
|
13.7
|
12.00
|
11.73
|
11.57
|
16.63
|
16.47
|
20.03
|
19.85
|
3
|
7.5
|
7.68
|
7.32
|
7.79
|
7.21
|
5.12
|
5.05
|
0.6
|
18.00
|
17.73
|
17.57
|
11.25～81.25
|
20～90
|
50～120
|
M16
|
2
|
38
|
44
|
57
|
0.8
|
0.2
|
17.7
|
16.00
|
15.73
|
15.57
|
22.49
|
22
|
26.75
|
26.17
|
3
|
10
|
10.18
|
9.82
|
10.29
|
9.71
|
6.87
|
6.8
|
0.6
|
24.00
|
23.67
|
23.16
|
17～106
|
27～116
|
65～160
|
M20
|
2.5
|
46
|
52
|
65
|
0.8
|
0.2
|
22.4
|
20.00
|
19.67
|
19.48
|
28.19
|
22.7
|
33.53
|
32.95
|
4
|
12.5
|
12.715
|
12.285
|
12.85
|
12.15
|
8.6
|
8.51
|
0.8
|
30.00
|
29.67
|
29.16
|
21.51～35.5
|
34～148
|
80～200
|
M24
|
3
|
54
|
60
|
73
|
0.8
|
0.2
|
26.4
|
24.00
|
23.67
|
23.48
|
33.61
|
33.25
|
39.98
|
39.55
|
4
|
15
|
15.215
|
14.785
|
15.35
|
14.65
|
10.35
|
10.26
|
0.8
|
36.00
|
35.38
|
35.00
|
21～152
|
36～152
|
90～240
|
M30
|
3.5
|
66
|
72
|
85
|
0.8
|
0.2
|
33.4
|
30.00
|
—
|
29.48
|
—
|
42.75
|
—
|
50.85
|
6
|
18.7
|
—
|
—
|
19.12
|
18.28
|
—
|
12.8
|
1
|
46
|
—
|
45
|
26.5～197.5
|
44～215
|
110～300
|
M36
|
4
|
—
|
84
|
97
|
0.8
|
0.2
|
39.4
|
36.00
|
—
|
35.38
|
—
|
51.11
|
—
|
60.79
|
6
|
22.5
|
—
|
—
|
22.92
|
22.08
|
—
|
15.46
|
1
|
55.0
|
—
|
53.8
|
36～243
|
56～263
|
140～360
|
M42
|
4.5
|
—
|
96
|
109
|
1.0
|
0.3
|
45.6
|
42.00
|
—
|
41.38
|
—
|
59.95
|
—
|
71.3
|
8
|
26
|
—
|
—
|
26.42
|
25.58
|
—
|
17.91
|
1.2
|
65.0
|
—
|
63.1
|
41.5～308.5
|
64～331
|
160～440
|
M48
|
5
|
—
|
108
|
121
|
1.0
|
0.3
|
52.6
|
48.00
|
—
|
47.38
|
—
|
69.45
|
—
|
82.6
|
10
|
30
|
—
|
—
|
30.42
|
29.58
|
—
|
20.71
|
1.6
|
75.0
|
—
|
73.1
|
47～334
|
72～359
|
180～480
|
M56
|
5.5
|
—
|
—
|
137
|
1.0
|
0.3
|
63
|
56.00
|
—
|
55.26
|
—
|
78.66
|
—
|
93.56
|
12
|
35
|
—
|
—
|
35.5
|
34.5
|
—
|
24.15
|
2
|
85.0
|
—
|
82.8
|
55.5～335.5
|
83～363
|
220～500
|
M64
|
6
|
—
|
—
|
153
|
1.0
|
0.3
|
71
|
64.00
|
—
|
63.26
|
—
|
88.16
|
—
|
104.86
|
13
|
40
|
—
|
—
|
40.5
|
39.5
|
—
|
27.65
|
2
|
95.0
|
—
|
92.8
|
77～317
|
107～347
|
260～500
|
注：
1 商品长度规格由ls和lg确定。
1）P—螺距
2）l公称≤125mm。
3）125mm＜l公称≤200mm。
4）l公称＞200mm。
5）kwmin＝0.7kmin。
6）lgmax＝l公称－b；
lsmin＝lgmax－5P。
l的范围
公称
|
50
|
55
|
60
|
65
|
70
|
80
|
90
|
100
|
110
|
120
|
130
|
140
|
150
|
160
|
180
|
200
|
220
|
240
|
260
|
280
|
300
|
320
|
340
|
360
|
380
|
400
|
420
|
440
|
460
|
480
|
500
|
产品等级
|
A
|
min
|
49.5
|
54.4
|
59.4
|
64.4
|
69.4
|
79.4
|
89.3
|
99.3
|
109.3
|
119.3
|
129.2
|
139.2
|
149.2
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
max
|
50.5
|
55.6
|
60.6
|
65.6
|
70.6
|
80.6
|
90.7
|
100.7
|
110.7
|
120.7
|
130.8
|
140.8
|
150.8
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
B
|
min
|
48.75
|
53.5
|
58.5
|
63.5
|
68.5
|
78.5
|
88.25
|
98.25
|
108.25
|
118.25
|
128
|
138
|
148
|
158
|
178
|
197.7
|
217.7
|
237.7
|
257.4
|
277.4
|
297.4
|
317.15
|
337.15
|
357.15
|
377.15
|
397.15
|
416.85
|
436.85
|
456.85
|
476.85
|
496.85
|
max
|
51.25
|
56.5
|
61.5
|
66.5
|
71.5
|
81.5
|
91.75
|
101.75
|
111.75
|
121.75
|
132
|
142
|
152
|
162
|
182
|
202.3
|
222.3
|
242.3
|
262.6
|
282.6
|
302.6
|
322.85
|
342.85
|
362.85
|
382.85
|
402.85
|
423.15
|
443.15
|
463.15
|
483.15
|
503.15
|
非优选的螺纹规格：
螺纹规格
d
|
P1)
|
b参考
|
c
|
da
max
|
ds
|
dw
min
|
e
min
|
lf
max
|
k
|
kw5)
|
r
min
|
s
|
ls
|
lg
|
1
|
公称=max
|
min
|
公称
|
产品等级
|
公称=max
|
min
|
产品等级
|
产品等级
|
产品等级
|
A
|
B
|
产品等级
|
产品等级
|
2)
|
3)
|
4)
|
max
|
min
|
A
|
B
|
A
|
B
|
A
|
B
|
max
|
min
|
max
|
min
|
A
|
B
|
A
|
B
|
M3.5
|
0.6
|
13
|
19
|
32
|
0.40
|
0.15
|
4.1
|
3.50
|
3.32
|
3.20
|
5.07
|
4.95
|
6.58
|
6.44
|
1
|
2.4
|
2.525
|
2.275
|
2.6
|
2.2
|
1.59
|
1.54
|
0.1
|
6.00
|
5.82
|
5.70
|
4～19
|
7～22
|
20i35
|
M14
|
2
|
34
|
40
|
53
|
0.60
|
0.15
|
15.7
|
14.00
|
13.73
|
13.57
|
19.64
|
19.15
|
23.36
|
22.78
|
3
|
8.8
|
8.98
|
8.62
|
9.09
|
8.51
|
6.03
|
5.96
|
0.6
|
21.00
|
20.67
|
20.16
|
16～90
|
26～100
|
60～140
|
M18
|
2.5
|
42
|
48
|
61
|
0.8
|
0.2
|
20.2
|
18.00
|
17.73
|
17.57
|
25.34
|
24.85
|
30.14
|
29.56
|
3
|
11.5
|
11.715
|
11.285
|
11.85
|
11.15
|
7.9
|
7.81
|
0.6
|
27.00
|
26.67
|
26.16
|
15.5～119.5
|
28～132
|
70～180
|
M22
|
2.5
|
50
|
56
|
69
|
0.8
|
0.2
|
24.4
|
22.00
|
21.67
|
21.48
|
31.71
|
31.35
|
37.72
|
37.29
|
4
|
14
|
14.215
|
13.785
|
14.35
|
13.65
|
9.65
|
9.56
|
0.8
|
34.00
|
33.38
|
33.00
|
27.5～138.5
|
40～151
|
90～220
|
M27
|
3
|
60
|
60
|
79
|
0.8
|
0.2
|
30.4
|
27.00
|
—
|
26.48
|
—
|
38
|
—
|
45.2
|
6
|
17
|
—
|
—
|
17.35
|
16.65
|
—
|
11.66
|
1
|
41
|
—
|
40
|
25～166
|
40～181
|
90～260
|
M33
|
3.5
|
—
|
78
|
91
|
0.8
|
0.2
|
36.4
|
33.0
|
—
|
32.38
|
—
|
46.55
|
—
|
55.37
|
6
|
21
|
—
|
—
|
21.42
|
20.58
|
—
|
14.41
|
1
|
50
|
—
|
49
|
34.5～211.5
|
52～229
|
130～320
|
M39
|
4
|
—
|
90
|
103
|
1.0
|
0.3
|
42.4
|
39.00
|
—
|
38.38
|
—
|
55.86
|
—
|
66.44
|
6
|
25
|
—
|
—
|
25.42
|
24.58
|
—
|
17.21
|
1
|
60.0
|
—
|
58.8
|
40～257
|
60～277
|
150～380
|
M45
|
4.5
|
—
|
102
|
115
|
1.0
|
0.3
|
48.6
|
45.00
|
—
|
44.38
|
—
|
64.7
|
—
|
76.95
|
8
|
28
|
—
|
—
|
28.42
|
27.58
|
—
|
19.31
|
1.2
|
70.0
|
—
|
68.1
|
55.5～302.5
|
78～325
|
180～440
|
M52
|
5
|
—
|
116
|
129
|
1.0
|
0.3
|
56.6
|
52.00
|
—
|
51.26
|
—
|
74.2
|
—
|
88.25
|
10
|
33
|
—
|
—
|
33.5
|
32.5
|
—
|
22.75
|
1.6
|
80.0
|
—
|
78.1
|
59～326
|
84～351
|
200～500
|
M60
|
5.5
|
—
|
—
|
145
|
1.0
|
0.3
|
67
|
60.00
|
—
|
59.26
|
—
|
83.41
|
—
|
99.21
|
12
|
38
|
—
|
—
|
38.5
|
37.5
|
—
|
26.25
|
2
|
90.0
|
—
|
87.8
|
67.5～327.5
|
95～355
|
240～500
|
注：
1 商品长度规格由ls和lg确定。
1）P—螺距
2）l公称≤125mm。
3）125mm＜l公称≤200mm。
4）l公称＞200mm。
5）kwmin＝0.7kmin。
6）lgmax＝l公称－b；
lsmin＝lgmax－5P。
l的范围：
公称
|
20
|
25
|
30
|
35
|
40
|
45
|
50
|
55
|
60
|
65
|
70
|
80
|
90
|
100
|
110
|
120
|
130
|
140
|
150
|
160
|
180
|
200
|
220
|
240
|
260
|
280
|
300
|
320
|
340
|
360
|
380
|
400
|
产品等级
|
A
|
min
|
19.58
|
24.58
|
29.58
|
34.5
|
39.5
|
44.5
|
49.5
|
54.4
|
59.4
|
64.4
|
69.4
|
79.4
|
89.3
|
99.3
|
109.3
|
119.3
|
129.2
|
—
|
149.2
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
max
|
20.42
|
25.42
|
30.42
|
35.5
|
40.5
|
45.5
|
50.5
|
55.6
|
60.6
|
65.6
|
70.6
|
80.6
|
90.7
|
100.7
|
110.7
|
120.7
|
130.8
|
—
|
150.8
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
B
|
min
|
—
|
—
|
—
|
—
|
38.75
|
43.75
|
48.75
|
53.5
|
58.5
|
63.5
|
68.5
|
78.5
|
88.25
|
98.25
|
108.25
|
118.25
|
128
|
158
|
148
|
158
|
178
|
197.7
|
217.7
|
237.7
|
257.4
|
277.4
|
297.4
|
317.15
|
337.15
|
357.15
|
377.15
|
397.15
|
max
|
—
|
—
|
—
|
—
|
41.25
|
46.25
|
51.25
|
56.5
|
61.5
|
66.5
|
71.5
|
81.5
|
91.75
|
101.75
|
111.75
|
121.75
|
132
|
162
|
152
|
162
|
182
|
202.3
|
222.3
|
242.3
|
262.6
|
282.6
|
302.6
|
322.85
|
342.85
|
362.85
|
382.85
|
402.85
|
公称
|
420
|
440
|
460
|
480
|
500
|
产品等级
|
A
|
min
|
—
|
—
|
—
|
—
|
—
|
max
|
—
|
—
|
—
|
—
|
—
|
B
|
min
|
416.85
|
436.85
|
456.85
|
476.85
|
496.85
|
max
|
423.15
|
443.15
|
463.15
|
483.15
|
503.15
|
