半圆头带榫螺栓(GB/T 13—2013)
半圆头带榫螺栓(GB/T 13—2013)
半圆头带榫螺栓(GB/T 13—2013) 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=70mm、性能等级为4.8级、不经表面处理的半圆头带榫螺栓的标记: 螺栓 GB/T 13 M10×70 |
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螺纹规格 d |
b |
dk |
Sn |
h1 |
K |
ds |
h min |
r min |
R |
X max |
l的范围 |
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l<125 |
125<l≤200 |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
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M6 |
18 |
— |
12.1 |
10.3 |
2.7 |
2.3 |
2.7 |
2.3 |
4.08 |
3.2 |
6.48 |
5.52 |
4 |
0.5 |
6 |
2.5 |
20~60 |
M8 |
22 |
28 |
15.1 |
13.3 |
2.7 |
2.3 |
3.2 |
2.8 |
5.28 |
4.4 |
8.58 |
7.42 |
5 |
0.5 |
7.5 |
3.2 |
20~80 |
M10 |
26 |
32 |
18.1 |
16.3 |
3.8 |
3.2 |
3.8 |
3.2 |
6.48 |
5.6 |
10.58 |
9.42 |
6 |
0.5 |
9 |
3.8 |
30~100 |
M12 |
30 |
36 |
22.3 |
20.16 |
3.8 |
3.2 |
4.3 |
3.7 |
8.9 |
7.55 |
12.7 |
11.3 |
7 |
0.8 |
11 |
4.3 |
35~120 |
(M14) |
34 |
40 |
25.3 |
23.16 |
4.8 |
4.2 |
5.3 |
4.7 |
9.9 |
8.55 |
14.7 |
13.3 |
8 |
0.8 |
13 |
5 |
35~140 |
M16 |
38 |
44 |
29.3 |
27.16 |
4.8 |
4.2 |
5.3 |
4.7 |
10.9 |
9.55 |
16.7 |
15.3 |
9 |
1 |
15 |
5 |
50~160 |
M20 |
46 |
52 |
35.6 |
33 |
4.8 |
4.2 |
6.3 |
5.7 |
13.1 |
11.45 |
20.84 |
19.16 |
11 |
1 |
18 |
6.3 |
60~200 |
M24 |
54 |
60 |
43.6 |
41 |
6.3 |
5.7 |
7.4 |
6.6 |
17.1 |
15.45 |
24.84 |
23.16 |
13 |
1.5 |
22 |
7.5 |
80~200 |
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 |
3.6、4.6、4.8 |
C级 |
1.不经处理;2.氧化;3.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 |
min |
18.95 |
23.95 |
28.95 |
33.75 |
38.75 |
43.75 |
48.75 |
53.5 |
58.5 |
63.5 |
68.5 |
max |
21.05 |
26.05 |
31.05 |
36.25 |
41.25 |
46.25 |
51.25 |
56.5 |
61.5 |
66.5 |
71.5 |
公称 |
80 |
90 |
100 |
110 |
120 |
130 |
140 |
150 |
160 |
180 |
200 |
min |
78.5 |
88.25 |
98.25 |
108.25 |
118.25 |
128 |
138 |
148 |
156 |
176 |
195.4 |
max |
81.5 |
91.75 |
101.75 |
111.75 |
121.75 |
132 |
142 |
152 |
164 |
184 |
204.6 |
注:1.尽可能不采用括号内的规格。 2.长度l不能满足表中b规定的螺纹长度时,应制成全螺纹。 |
质量 kg |
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螺纹规格 |
M6 |
M8 |
M10 |
M12 |
M14 |
M16 |
M20 |
M24 |
公称长度/mm |
每1000件钢制品的质量≈ |
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20 |
4.77 |
9.27 |
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|
|
|
|
|
25 |
5.62 |
10.83 |
|
|
|
|
|
|
30 |
6.48 |
12.38 |
20.65 |
|
|
|
|
|
35 |
7.34 |
13.94 |
23.10 |
37.45 |
53.51 |
|
|
|
40 |
8.20 |
15.49 |
25.56 |
41.02 |
58.39 |
|
|
|
45 |
9.05 |
17.05 |
28.02 |
44.58 |
63.26 |
|
|
|
50 |
9.91 |
18.60 |
30.47 |
48.14 |
68.14 |
93.38 |
|
|
55 |
10.77 |
20.16 |
32.93 |
51.70 |
73.01 |
99.93 |
|
|
60 |
11.62 |
21.71 |
35.38 |
55.27 |
77.89 |
106.5 |
171.2 |
|
65 |
|
23.27 |
37.84 |
58.83 |
82.76 |
113.0 |
181.5 |
|
70 |
|
24.82 |
40.29 |
62.39 |
87.64 |
119.6 |
191.7 |
|
80 |
|
27.93 |
45.21 |
69.51 |
97.38 |
132.6 |
212.2 |
340.1 |
90 |
|
|
50.12 |
76.64 |
107.1 |
145.7 |
232.7 |
369.6 |
100 |
|
|
55.03 |
83.76 |
116.9 |
158.8 |
253.2 |
399.1 |
110 |
|
|
|
90.89 |
126.6 |
171.9 |
273.6 |
428.6 |
120 |
|
|
|
98.01 |
136.4 |
185.0 |
294.1 |
458.1 |
130 |
|
|
|
|
146.1 |
198.1 |
314.6 |
487.6 |
140 |
|
|
|
|
155.9 |
211.2 |
335.1 |
517.1 |
150 |
|
|
|
|
|
224.2 |
355.5 |
546.6 |
160 |
|
|
|
|
|
237.3 |
376.0 |
576.1 |
180 |
|
|
|
|
|
|
417.0 |
635.1 |
200 |
|
|
|
|
|
|
457.9 |
694.1 |