活节螺栓(GB/T 798—1988) mm |
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螺纹末端按GB/T 2规定;无螺纹部分杆径约等于螺纹中径或螺纹大径 |
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标记示例: 螺纹规格d=M10、公称长度l=100mm、性能等级4.6级、不经表面处理的活节螺栓的标记: 螺栓 GB 798 M10×100 |
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螺纹规格 d |
d1 |
S |
b |
D |
r min |
X max |
l的范围 |
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公称 |
min |
max |
公称 |
min |
max |
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M4 |
3 |
3.060 |
3.160 |
5 |
4.75 |
4.93 |
14 |
8 |
3 |
1.75 |
20~35 |
M5 |
4 |
4.070 |
4.190 |
6 |
5.75 |
5.93 |
16 |
10 |
4 |
2 |
25~45 |
M6 |
5 |
5.070 |
5.190 |
8 |
7.70 |
7.92 |
18 |
12 |
5 |
2.5 |
30~55 |
M8 |
6 |
6.070 |
6.190 |
10 |
9.70 |
9.92 |
22 |
14 |
5 |
3.2 |
35~70 |
M10 |
8 |
8.080 |
8.230 |
12 |
11.635 |
11.905 |
26 |
18 |
6 |
3.8 |
40~110 |
M12 |
10 |
10.080 |
10.230 |
14 |
13.635 |
13.905 |
30 |
20 |
8 |
4.2 |
50~130 |
M16 |
12 |
12.095 |
12.275 |
18 |
17.635 |
17.905 |
38 |
28 |
10 |
5 |
60~160 |
M20 |
16 |
16.095 |
16.275 |
22 |
21.56 |
21.89 |
52 |
34 |
12 |
6.3 |
70~180 |
M24 |
20 |
20.110 |
20.320 |
26 |
25.56 |
25.89 |
60 |
42 |
16 |
7.5 |
90~260 |
M30 |
25 |
25.110 |
25.320 |
34 |
33.5 |
33.88 |
72 |
52 |
20 |
8.8 |
110~300 |
M36 |
30 |
30.110 |
30.320 |
40 |
39.48 |
39.87 |
84 |
64 |
22 |
10 |
130~300 |
技术条件 |
材料 |
螺纹公差 |
机械性能等级 |
产品等级 |
表面处理 |
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钢 |
8g |
4.6、5.6 |
C级 |
1.不经处理;2.镀锌钝化 |
公称长度l的商品规格系列: (mm) |
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公称 |
20 |
25 |
30 |
35 |
40 |
45 |
50 |
(55) |
60 |
(65) |
70 |
80 |
90 |
100 |
min |
18.95 |
23.95 |
28.95 |
33.75 |
38.75 |
43.75 |
48.75 |
53.5 |
58.5 |
63.5 |
68.5 |
78.5 |
88.25 |
98.25 |
max |
21.05 |
26.05 |
31.05 |
36.25 |
41.25 |
46.25 |
51.25 |
56.5 |
61.5 |
66.5 |
71.5 |
81.5 |
91.75 |
101.75 |
公称 |
110 |
120 |
130 |
140 |
150 |
160 |
180 |
200 |
220 |
240 |
260 |
280 |
300 |
|
min |
108.25 |
118.25 |
128 |
138 |
148 |
156 |
176 |
195.4 |
215.4 |
235.4 |
254.8 |
274.8 |
294.8 |
|
max |
111.75 |
121.75 |
132 |
142 |
152 |
164 |
184 |
204.6 |
224.6 |
244.6 |
265.2 |
285.2 |
305.2 |
|
注:尽可能不采用括号内的规格。 |
质量 kg |
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螺纹规格 |
M4 |
M5 |
M6 |
M8 |
M10 |
M12 |
M16 |
M20 |
M24 |
M30 |
M36 |
公称长度/mm |
每1000件钢制品的质量 ≈ |
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20 |
2.63 |
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|
|
|
|
|
|
|
|
|
25 |
3.00 |
5.05 |
|
|
|
|
|
|
|
|
|
30 |
3.38 |
5.65 |
8.90 |
|
|
|
|
|
|
|
|
35 |
3.75 |
6.25 |
9.76 |
16.47 |
|
|
|
|
|
|
|
40 |
|
6.85 |
10.62 |
18.02 |
30.81 |
|
|
|
|
|
|
45 |
|
7.45 |
11.47 |
19.58 |
33.27 |
|
|
|
|
|
|
50 |
|
|
12.33 |
21.13 |
35.72 |
48.62 |
|
|
|
|
|
55 |
|
|
13.19 |
22.69 |
38.18 |
52.19 |
|
|
|
|
|
60 |
|
|
|
24.24 |
40.63 |
55.75 |
118.9 |
|
|
|
|
65 |
|
|
|
25.80 |
43.09 |
59.31 |
125.4 |
|
|
|
|
70 |
|
|
|
27.35 |
45.55 |
62.87 |
131.9 |
208.1 |
|
|
|
80 |
|
|
|
|
50.46 |
70.00 |
145.0 |
228.6 |
|
|
|
90 |
|
|
|
|
55.37 |
77.12 |
158.1 |
249.0 |
384.9 |
|
|
100 |
|
|
|
|
60.28 |
84.25 |
171.2 |
269.5 |
414.4 |
|
|
110 |
|
|
|
|
65.19 |
91.37 |
184.3 |
290.0 |
443.9 |
745.1 |
|
120 |
|
|
|
|
|
98.49 |
197.4 |
310.5 |
473.4 |
791.8 |
|
130 |
|
|
|
|
|
105.6 |
210.5 |
331.0 |
502.9 |
838.5 |
1317 |
140 |
|
|
|
|
|
|
223.5 |
351.4 |
532.4 |
885.2 |
1385 |
150 |
|
|
|
|
|
|
236.6 |
371.9 |
561.9 |
931.9 |
1453 |
160 |
|
|
|
|
|
|
249.7 |
392.4 |
591.4 |
978.6 |
1521 |
180 |
|
|
|
|
|
|
|
433.3 |
650.4 |
1072 |
1656 |
200 |
|
|
|
|
|
|
|
|
709.4 |
1165 |
1792 |
220 |
|
|
|
|
|
|
|
|
768.4 |
1259 |
1928 |
240 |
|
|
|
|
|
|
|
|
827.4 |
1352 |
2063 |
260 |
|
|
|
|
|
|
|
|
886.3 |
1446 |
2199 |
280 |
|
|
|
|
|
|
|
|
|
1539 |
2335 |
300 |
|
|
|
|
|
|
|
|
|
1632 |
2470 |