深圳市强拓紧固件有限公司
二十年生产经验，多元化定制非标异形件，进口精密螺丝生产设备,一站式服务
客服热线：0755-29861360
图文传真：0755-29861359
业务QQ：1958735019
联系人：王总 18926485876
邮箱：szqiangtuo@126.com1.六角产品的对边宽度(GB3104-82)
|
螺纹直径 |
标准系列 |
加大系列 |
带法兰面的产品 |
|
|
螺栓 |
螺母 |
|||
|
1.6 |
3.2 |
|
|
|
|
2 |
4 |
|
|
|
|
2.5 |
5 |
|
|
|
|
3 |
5.5 |
|
|
|
|
4 |
7 |
|
|
|
|
5 |
8 |
|
7 |
8 |
|
6 |
10 |
|
8 |
10 |
|
7 |
11 |
|
|
|
|
8 |
13 |
|
10 |
13 |
|
10 |
16 |
|
13 |
15 |
|
12 |
18 |
21 |
15 |
18 |
|
14 |
21 |
24 |
18 |
21 |
|
16 |
24 |
27 |
21 |
24 |
|
18 |
27 |
30 |
|
|
|
20 |
30 |
34 |
27 |
30 |
|
22 |
34 |
36 |
|
|
|
24 |
36 |
41 |
|
|
|
27 |
41 |
46 |
|
|
|
30 |
46 |
50 |
|
|
|
33 |
50 |
55 |
|
|
|
36 |
55 |
60 |
|
|
2.六角螺母的高度（GB/T3098.2-2000）
|
螺纹规格D |
对边宽度s mm |
螺母高度m,mm |
|||||
|
1型 |
2型 |
||||||
|
min |
max |
m/D |
min |
max |
m/D |
||
|
M5 |
8 |
4.4 |
4.7 |
0.94 |
4.8 |
5.1 |
1.02 |
|
M6 |
10 |
4.9 |
5.2 |
0.87 |
5.4 |
5.7 |
0.95 |
|
M7 |
11 |
6.14 |
6.50 |
0.93 |
6.84 |
7.20 |
1.03 |
|
M8 |
13 |
6.44 |
6.80 |
0.85 |
7.14 |
7.50 |
0.94 |
|
M10 |
16 |
8.04 |
8.40 |
0.84 |
8.94 |
9.30 |
0.93 |
|
M12 |
18 |
10.37 |
10.80 |
0.90 |
11.57 |
12.00 |
1.00 |
|
M14 |
21 |
12.1 |
12.8 |
0.91 |
13.4 |
14.1 |
1.01 |
|
M16 |
24 |
14.1 |
14.8 |
0.92 |
15.7 |
16.4 |
1.02 |
|
M18 |
27 |
15.1 |
15.8 |
0.88 |
16.9 |
17.6 |
0.98 |
|
M20 |
30 |
16.9 |
18.0 |
0.90 |
19.0 |
20.3 |
1.02 |
|
M22 |
34 |
18.1 |
19.4 |
0.88 |
20.5 |
21.8 |
0.93 |
|
M24 |
36 |
20.2 |
21.5 |
0.90 |
22.6 |
23.9 |
1.00 |
|
M27 |
41 |
22.5 |
23.8 |
0.88 |
25.4 |
26.7 |
0.99 |
|
M30 |
46 |
24.3 |
25.6 |
0.85 |
27.3 |
28.6 |
0.95 |
|
M33 |
50 |
27.4 |
28.7 |
0.87 |
30.9 |
32.5 |
0.98 |
|
M36 |
55 |
29.4 |
31.0 |
0.86 |
33.1 |
34.7 |
0.96 |
|
M39 |
60 |
31.8 |
33.4 |
0.86 |
35.9 |
37.5 |
0.96 |
3.沉头螺钉 头部形状测量（GB5279-85）
|
螺纹规格d |
M1.6 |
M2 |
M2.5 |
M3 |
M3.5 |
M4 |
M5 |
|
M6 |
M8 |
M10 |
M12 |
M14 |
M16 |
M18 |
M20 |
||
|
自攻螺钉 |
|
ST2.2 |
|
ST2.9 |
ST3.5 |
ST4.2 |
ST4.8 |
ST5.5 |
ST6.3 |
ST8 |
ST9.5 |
|
|
|
|
|
||
|
Dk头部宽度 |
理论 |
max |
3.6 |
4.4 |
5.5 |
6.3 |
8.2 |
9.4 |
10.4 |
11.5 |
12.6 |
17.3 |
20 |
24 |
28 |
32 |
36 |
40 |
|
min |
3.3 |
401 |
5.1 |
5.9 |
7.7 |
8.9 |
9.8 |
10.9 |
11.9 |
16.5 |
19.2 |
23.1 |
27 |
30.8 |
34.7 |
38.5 |
||
|
实际 |
max |
3 |
3.8 |
4.7 |
5.5 |
7.3 |
8.4 |
9.3 |
10.3 |
11.3 |
15.8 |
18.3 |
22 |
25.5 |
29 |
32.5 |
36 |
|
|
min |
2.7 |
3.5 |
4.4 |
5.2 |
6.9 |
8 |
8.9 |
9.9 |
10.9 |
15.4 |
17.8 |
21.5 |
25 |
28.5 |
31.9 |
35.4 |
||
|
F（头面不平） |
max |
0.15 |
0.15 |
0.2 |
0.2 |
0.25 |
0.25 |
0.3 |
0.3 |
0.35 |
0.4 |
0.4 |
0.45 |
0.5 |
0.6 |
0.65 |
0.75 |
|
|
头厚Kmax(参考) |
1 |
1.2 |
1.5 |
1.65 |
2.35 |
2.7 |
2.7 |
|
3.3 |
4.65 |
5 |
6 |
7 |
8 |
9 |
10 |
||
|
自攻螺钉 |
|
1.1 |
|
1.7 |
2.35 |
2.6 |
2.8 |
3 |
3.15 |
4.65 |
5.25 |
|
|
|
|
|
||
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