开槽盘头自攻螺钉(GB/T 5282—1985)
开槽盘头自攻螺钉(GB/T 5282—1985)
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开槽盘头自攻螺钉(GB/T 5282—1985)mm |
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标记示例： 螺纹规格ST3.5、公称长度l＝16mm、表面镀锌钝化的C型开槽盘头自攻螺钉的标记： 自攻螺钉 GB/T 5282 ST3.5×16 |
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螺纹规格 |
螺距 P |
a max |
da max |
dk |
K |
n |
r min |
rf 参考 |
t min |
W min |
y参考 |
l的范围 |
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max |
min |
max |
min |
公称 |
min |
max |
C型 |
F型 |
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ST2.2 |
0.8 |
0.8 |
2.8 |
4 |
3.7 |
1.3 |
1.1 |
0.5 |
0.56 |
0.7 |
0.1 |
0.6 |
0.5 |
0.5 |
2 |
1.6 |
4.5～16 |
|
ST2.9 |
1.1 |
1.1 |
3.5 |
5.6 |
5.3 |
1.8 |
1.6 |
0.8 |
0.86 |
1 |
0.1 |
0.8 |
0.7 |
0.7 |
2.6 |
2.1 |
6.5～19 |
|
ST3.5 |
1.3 |
1.3 |
4.1 |
7 |
6.6 |
2.1 |
1.9 |
1 |
1.06 |
1.2 |
0.1 |
1 |
0.8 |
0.8 |
3.2 |
2.5 |
6.5～22 |
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ST4.2 |
1.4 |
1.4 |
4.9 |
8 |
7.6 |
2.4 |
2.2 |
1.2 |
1.26 |
1.51 |
0.2 |
1.2 |
1 |
0.9 |
3.7 |
2.8 |
9.5～25 |
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ST4.8 |
1.6 |
1.6 |
5.5 |
9.5 |
9.1 |
3 |
2.7 |
1.2 |
1.26 |
1.51 |
0.2 |
1.5 |
1.2 |
1.2 |
4.3 |
3.2 |
9.5～32 |
|
ST5.5 |
1.8 |
1.8 |
6.3 |
11 |
10.6 |
3.2 |
2.9 |
1.6 |
1.66 |
1.91 |
0.25 |
1.6 |
1.3 |
1.3 |
5 |
3.6 |
13～32 |
|
ST6.3 |
1.8 |
1.8 |
7.1 |
12 |
11.6 |
3.6 |
3.3 |
1.6 |
1.66 |
1.91 |
0.25 |
1.8 |
1.4 |
1.4 |
6 |
3.6 |
13～38 |
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ST8 |
2.1 |
2.1 |
9.2 |
16 |
15.6 |
4.8 |
4.5 |
2 |
2.06 |
2.31 |
0.4 |
2.4 |
1.9 |
1.9 |
7.5 |
4.2 |
16～50 |
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ST9.5 |
2.1 |
2.1 |
10.7 |
20 |
19.5 |
6 |
5.7 |
2.5 |
2.56 |
2.81 |
0.4 |
3 |
2.4 |
2.4 |
8 |
4.2 |
16～50 |
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技术条件 |
螺纹 |
机械性能 |
公差产品等级 |
表面处理 |
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|
GB/T 5280 |
GB/T 3098.5 |
A级 |
镀锌钝化 |
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公称长度l 的商品规格系列：mm |
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公称 |
4.5 |
6.5 |
9.5 |
13 |
16 |
19 |
22 |
25 |
32 |
38 |
45 |
50 |
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C型 |
min |
3.7 |
5.7 |
8.7 |
12.2 |
15.2 |
18.2 |
21.2 |
24.2 |
30.7 |
36.7 |
43.7 |
48.7 |
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max |
5.3 |
7.3 |
10.3 |
13.8 |
16.8 |
19.8 |
22.8 |
25.8 |
33.3 |
39.3 |
46.3 |
51.3 |
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F型 |
min |
3.7 |
5.7 |
8.7 |
12.2 |
15.2 |
18.2 |
20.7 |
23.7 |
30.7 |
36.7 |
43.5 |
48.5 |
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max |
4.5 |
6.5 |
9.5 |
13 |
16 |
19 |
22 |
25 |
32 |
38 |
45 |
50 |
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质量kg |
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螺纹规格 |
ST2.2 |
ST2.9 |
ST3.5 |
ST4.2 |
ST4.8 |
ST5.5 |
ST6.3 |
ST8 |
ST9.5 |
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公称长度/mm |
每1000件钢制品的质量 ≈ |
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4.5 |
0.15 |
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6.5 |
0.18 |
0.41 |
0.69 |
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9.5 |
0.24 |
0.51 |
0.83 |
1.21 |
1.91 |
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13 |
0.30 |
0.62 |
0.99 |
1.44 |
2.22 |
3.04 |
4.08 |
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16 |
0.36 |
0.71 |
1.12 |
1.64 |
2.49 |
3.39 |
4.55 |
9.41 |
17.10 |
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19 |
|
0.81 |
1.26 |
1.83 |
2.75 |
3.74 |
5.03 |
10.20 |
18.33 |
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22 |
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1.40 |
2.03 |
3.02 |
4.09 |
5.51 |
10.99 |
19.57 |
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25 |
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|
2.23 |
3.28 |
4.44 |
5.98 |
11.78 |
20.80 |
|
32 |
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|
3.90 |
5.26 |
7.10 |
13.63 |
23.67 |
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38 |
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|
8.05 |
15.21 |
26.14 |
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45 |
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17.05 |
29.01 |
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50 |
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18.37 |
31.06 |
