小方头螺栓 B级(GB/T 35—2013)
小方头螺栓 B级(GB/T 35—2013)
小方头螺栓 B级(GB/T 35—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=M12、公称长度l=80mm、性能等级为5.8级、不经表面处理的小方头螺栓的标记: 螺栓 GB/T 35 M12×80 |
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螺纹规格 d |
b |
e min |
K |
K′ |
r min |
S |
X max |
l的范围 |
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l≤125 |
125<l≤200 |
l>200 |
公称 |
min |
max |
min |
max |
min |
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M5 |
16 |
— |
— |
9.93 |
3.5 |
3.26 |
3.74 |
2.28 |
0.2 |
8 |
7.64 |
2 |
20~50 |
M6 |
18 |
— |
— |
12.53 |
4 |
3.76 |
4.24 |
2.63 |
0.25 |
10 |
9.64 |
2.5 |
30~60 |
M8 |
22 |
28 |
— |
16.34 |
5 |
4.76 |
5.24 |
3.33 |
0.4 |
13 |
12.57 |
3.2 |
35~80 |
M10 |
26 |
32 |
— |
20.24 |
6 |
5.76 |
6.24 |
4.03 |
0.4 |
16 |
15.57 |
3.8 |
40~100 |
M12 |
30 |
36 |
— |
22.84 |
7 |
6.71 |
7.29 |
4.70 |
0.6 |
18 |
17.57 |
4.3 |
45~120 |
(M14) |
34 |
40 |
— |
26.21 |
8 |
7.71 |
8.29 |
5.4 |
0.6 |
21 |
20.16 |
5 |
55~140 |
M16 |
38 |
44 |
57 |
30.11 |
9 |
8.71 |
9.29 |
6.1 |
0.6 |
24 |
23.16 |
5 |
55~160 |
(M18) |
42 |
48 |
61 |
34.01 |
10 |
9.71 |
10.29 |
6.8 |
0.8 |
27 |
26.13 |
6.3 |
60~180 |
M20 |
46 |
52 |
65 |
37.91 |
11 |
10.65 |
11.35 |
7.45 |
0.8 |
30 |
29.16 |
6.3 |
65~200 |
(M22) |
50 |
56 |
69 |
42.9 |
12 |
11.65 |
12.35 |
8.15 |
0.8 |
34 |
33 |
6.3 |
70~220 |
M24 |
54 |
60 |
73 |
45.5 |
13 |
12.65 |
13.35 |
8.85 |
0.8 |
36 |
35 |
7.5 |
80~240 |
(M27) |
60 |
66 |
79 |
52 |
15 |
14.65 |
15.35 |
10.25 |
1 |
41 |
40 |
7.5 |
90~260 |
M30 |
66 |
72 |
85 |
58.5 |
17 |
16.65 |
17.35 |
11.65 |
1 |
46 |
45 |
8.8 |
90~300 |
M36 |
78 |
84 |
97 |
69.94 |
20 |
19.58 |
20.42 |
13.71 |
1 |
55 |
53.5 |
10 |
110~300 |
M42 |
— |
96 |
109 |
82.03 |
23 |
22.58 |
23.42 |
15.81 |
1.2 |
65 |
63.1 |
11.3 |
130~300 |
M48 |
— |
108 |
121 |
95.05 |
26 |
25.58 |
26.42 |
17.91 |
1.6 |
75 |
73.1 |
12.5 |
140~300 |
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 |
6g |
d≤39:5.8、8.8;d>39:按协议 |
B级 |
1.不经处理;2.镀锌钝化 |
公称长度l的通用规格系列: 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 |
158 |
178 |
197.7 |
217.7 |
237.7 |
257.4 |
277.4 |
297.4 |
|
max |
111.75 |
121.75 |
132 |
142 |
152 |
162 |
182 |
202.3 |
222.3 |
242.3 |
262.6 |
282.6 |
302.6 |
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注:尽可能不采用括号内的规格。 |
质量 kg |
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螺纹规格 |
M5 |
M6 |
M8 |
M10 |
M12 |
M14 |
M16 |
M18 |
M20 |
M22 |
M24 |
M27 |
M30 |
M36 |
M42 |
M48 |
公称长度 /mm |
每1000件钢制品的质量 ≈ |
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20 |
3.75 |
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25 |
4.35 |
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30 |
4.95 |
7.59 |
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35 |
5.55 |
8.45 |
16.09 |
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40 |
6.15 |
9.31 |
17.65 |
29.23 |
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45 |
6.75 |
10.16 |
19.20 |
31.69 |
46.30 |
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|
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|
50 |
7.35 |
11.02 |
20.76 |
34.14 |
49.86 |
|
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|
|
|
|
|
|
|
|
|
55 |
|
11.88 |
22.31 |
36.6 |
53.43 |
75.05 |
103.8 |
|
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|
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|
|
|
|
|
60 |
|
12.74 |
23.87 |
39.06 |
56.99 |
79.93 |
110.3 |
142.6 |
|
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|
|
|
|
|
|
65 |
|
|
25.42 |
41.51 |
60.55 |
84.80 |
116.9 |
150.7 |
194.8 |
|
|
|
|
|
|
|
70 |
|
|
26.98 |
43.97 |
64.11 |
89.68 |
123.4 |
158.8 |
205.0 |
262.6 |
|
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|
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|
|
80 |
|
|
30.09 |
48.88 |
71.24 |
99.43 |
136.5 |
175.1 |
225.5 |
287.8 |
340.9 |
|
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|
|
|
90 |
|
|
|
53.79 |
78.36 |
109.2 |
149.6 |
191.3 |
246.0 |
313.0 |
370.4 |
501.2 |
647.2 |
|
|
|
100 |
|
|
|
58.70 |
85.48 |
118.9 |
162.7 |
207.5 |
266.4 |
338.2 |
399.9 |
539.3 |
693.9 |
|
|
|
110 |
|
|
|
|
92.61 |
128.7 |
175.8 |
223.8 |
286.9 |
363.4 |
429.4 |
577.4 |
740.6 |
1128 |
|
|
120 |
|
|
|
|
99.73 |
138.4 |
188.8 |
240.0 |
307.4 |
388.6 |
458.9 |
615.6 |
787.3 |
1196 |
|
|
130 |
|
|
|
|
|
148.2 |
201.9 |
256.3 |
327.9 |
413.8 |
488.4 |
653.7 |
834.0 |
1263 |
1890 |
|
140 |
|
|
|
|
|
157.9 |
215.0 |
272.5 |
348.3 |
439.0 |
517.9 |
691.8 |
880.7 |
1331 |
1983 |
2763 |
150 |
|
|
|
|
|
|
228.1 |
288.8 |
368.8 |
464.2 |
547.4 |
729.9 |
927.4 |
1299 |
2076 |
2885 |
160 |
|
|
|
|
|
|
241.2 |
305.0 |
389.3 |
489.4 |
576.9 |
768.0 |
974.1 |
1467 |
2169 |
3007 |
180 |
|
|
|
|
|
|
|
337.5 |
430.3 |
539.8 |
635.9 |
844.2 |
1068 |
1603 |
2355 |
3251 |
200 |
|
|
|
|
|
|
|
|
471.2 |
590.2 |
694.9 |
920.5 |
1161 |
1738 |
2540 |
3494 |
220 |
|
|
|
|
|
|
|
|
|
640.6 |
753.9 |
996.7 |
1254 |
1874 |
2726 |
3738 |
240 |
|
|
|
|
|
|
|
|
|
|
812.9 |
1073 |
1348 |
2010 |
2912 |
3982 |
260 |
|
|
|
|
|
|
|
|
|
|
|
1149 |
1441 |
2145 |
3098 |
4226 |
280 |
|
|
|
|
|
|
|
|
|
|
|
|
1535 |
2281 |
3284 |
4470 |
300 |
|
|
|
|
|
|
|
|
|
|
|
|
1628 |
2416 |
3470 |
4713 |