120°小沉头铆螺母(GB/T 17880.4—1999)
120°小沉头铆螺母(GB/T 17880.4—1999)
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120°小沉头铆螺母(GB/T 17880.4—1999) mm |
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b＝(1.25～1.5)D；α—由制造者确定；允许在支承面和(或)d圆周表面制出花纹，其型式与尺寸由制造者确定。 |
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标记示例： 螺纹规格D＝M8、长度规格l＝15mm、材料为ML10、表面镀锌钝化的120°小沉头铆螺母的标记示例： 铆螺母 GB/T 17880.4 M8×15 |
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螺纹规格 |
D -0.03 -0.10 |
d1 H12 |
dk max |
k |
r |
l max |
l1 参考 |
d0
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h1 参考 |
铆接厚度 h 推荐 |
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粗牙 D |
细牙 D×P |
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M3 |
— |
5 |
4.0 |
6.5 |
0.35 |
0.2 |
7.5 |
2.5 |
5 |
5.8 |
0.5～1.0 |
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5 |
4.0 |
6.5 |
0.35 |
0.2 |
8.5 |
3.5 |
5 |
5.8 |
1.0～2.0 |
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5 |
4.0 |
6.5 |
0.35 |
0.2 |
9.5 |
4.5 |
5 |
5.8 |
2.0～3.0 |
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M4 |
— |
6 |
4.8 |
8.0 |
0.5 |
0.2 |
9.0 |
2.5 |
6 |
7.5 |
0.5～1.0 |
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6 |
4.8 |
8.0 |
0.5 |
0.2 |
10.0 |
3.5 |
6 |
7.5 |
1.0～2.0 |
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6 |
4.8 |
8.0 |
0.5 |
0.2 |
11.0 |
4.5 |
6 |
7.5 |
2.0～3.0 |
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M5 |
— |
7 |
5.6 |
9.0 |
0.6 |
0.2 |
11.0 |
3.0 |
7 |
9.3 |
0.5～1.0 |
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7 |
5.6 |
9.0 |
0.6 |
0.2 |
12.0 |
4.0 |
7 |
9.3 |
1.0～2.0 |
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7 |
5.6 |
9.0 |
0.6 |
0.2 |
13.0 |
5.0 |
7 |
9.3 |
2.0～3.0 |
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M6 |
— |
9 |
7.5 |
11.0 |
0.6 |
0.2 |
13.5 |
4.0 |
9 |
11.0 |
0.5～1.5 |
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9 |
7.5 |
11.0 |
0.6 |
0.2 |
15.0 |
5.5 |
9 |
11.0 |
1.5～3.0 |
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9 |
7.5 |
11.0 |
0.6 |
0.2 |
16.5 |
7.0 |
9 |
11.0 |
3.0～4.5 |
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M8 |
— |
11 |
9.2 |
13.0 |
0.6 |
0.3 |
15.0 |
4.5 |
11 |
12.3 |
0.5～1.5 |
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11 |
9.2 |
13.0 |
0.6 |
0.3 |
16.5 |
6.0 |
11 |
12.3 |
1.5～3.0 |
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11 |
9.2 |
13.0 |
0.6 |
0.3 |
18.0 |
7.5 |
11 |
12.3 |
3.0～4.5 |
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M10 |
M10×1 |
13 |
11 |
16.0 |
0.85 |
0.3 |
18.0 |
5.0 |
13 |
15.0 |
0.5～1.5 |
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13 |
11 |
16.0 |
0.85 |
0.3 |
19.5 |
6.5 |
13 |
15.0 |
1.5～3.0 |
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13 |
11 |
16.0 |
0.85 |
0.3 |
21.0 |
8.0 |
13 |
15.0 |
3.0～4.5 |
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M12 |
M12×1.5 |
15 |
13 |
18.0 |
0.85 |
0.3 |
21.0 |
5.5 |
15 |
17.5 |
0.5～1.5 |
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15 |
13 |
18.0 |
0.85 |
0.3 |
22.5 |
7.0 |
15 |
17.5 |
1.5～3.0 |
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15 |
13 |
18.0 |
0.85 |
0.3 |
24.0 |
8.5 |
15 |
17.5 |
3.0～4.5 |
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质量 kg |
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螺纹规格 |
M3 |
M4 |
M5 |
M6 |
M8 |
M10 |
M10×1 |
M12 |
M12×1.5 |
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长度规格/mm |
每1000件钢制品的质量≈ |
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7.5 |
0.707 |
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8.5 |
0.763 |
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9.0 |
— |
1.182 |
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9.5 |
0.818 |
— |
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10.0 |
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1.262 |
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11.0 |
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1.342 |
1.812 |
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12.0 |
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1.921 |
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13.0 |
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2.030 |
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13.5 |
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3.752 |
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15.0 |
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3.981 |
5.586 |
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16.5 |
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4.210 |
5.922 |
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18.0 |
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6.258 |
8.723 |
8.246 |
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19.5 |
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9.167 |
8.690 |
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21.0 |
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9.611 |
9.134 |
12.383 |
12.042 |
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22.5 |
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12.901 |
12.560 |
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24.0 |
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13.419 |
13.078 |
