计算选型
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六角头头部带孔螺栓 细杆 B级(GB/T 32.2—1988) mm |
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其余的型式与尺寸按GB/T 5784—2000规定 |
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标记示例： 螺纹规格d＝M12、公称长度l＝80mm、性能等级为5.8级、不经表面处理的六角头头部带孔螺栓的标记： 螺栓 GB/T 32.2 M12×80 |
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螺纹规格 d |
d1 |
h≈ |
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公称 |
min |
max |
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M6 |
1.6 |
1.6 |
1.85 |
2.0 |
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M8 |
2.0 |
2.0 |
2.25 |
2.6 |
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M10 |
2.0 |
2.0 |
2.25 |
3.2 |
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M12 |
2.0 |
2.0 |
2.25 |
3.7 |
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(M14) |
2.0 |
2.0 |
2.25 |
4.4 |
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M16 |
3.0 |
3.0 |
3.25 |
5.0 |
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M20 |
3.0 |
3.0 |
3.25 |
6.2 |
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技术条件 |
按GB/T 5784—2000及GB/T 5278—1985规定 |
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注：尽可能不采用括号内的规格。 |
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质量 kg |
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螺纹规格 |
M6 |
M8 |
M10 |
M12 |
M14 |
M16 |
M20 |
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公称长度/mm |
每1000件钢制品的质量 ≈ |
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25 |
6.85 |
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30 |
7.71 |
15.17 |
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35 |
8.56 |
16.72 |
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40 |
9.42 |
18.28 |
30.41 |
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45 |
10.28 |
19.83 |
32.87 |
47.70 |
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50 |
11.13 |
21.39 |
35.32 |
51.26 |
73.79 |
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55 |
11.99 |
22.94 |
37.78 |
54.82 |
78.66 |
110.4 |
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60 |
12.85 |
24.50 |
40.23 |
58.39 |
83.54 |
117.0 |
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|
65 |
|
26.05 |
42.69 |
61.95 |
88.41 |
123.5 |
208.4 |
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70 |
|
27.61 |
45.15 |
65.51 |
93.29 |
130.0 |
218.7 |
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80 |
|
30.72 |
50.06 |
72.63 |
103.0 |
143.1 |
239.2 |
|
90 |
|
|
54.97 |
79.76 |
112.8 |
156.2 |
259.6 |
|
100 |
|
|
59.88 |
86.88 |
122.5 |
169.3 |
280.1 |
|
110 |
|
|
|
94.01 |
132.3 |
182.4 |
300.6 |
|
120 |
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|
101.1 |
142.0 |
195.5 |
321.1 |
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130 |
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151.8 |
208.6 |
341.5 |
|
140 |
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161.5 |
221.6 |
362.0 |
|
150 |
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234.7 |
382.5 |
