DIN EN ISO 7048 Standard Cross recessed countersunk flat head screws type H or Z 的尺寸
技术历史及DIN EN ISO 7048的国际对应物
十字槽圆柱头螺钉
本标准（DIN 7048 及等效标准）规定了产品等级 A 的十字槽圆柱头螺钉的特性，螺纹尺寸从 M2.5 到 M8（含），十字槽类型为 H 和 Z。
尺寸图和技术图
关键尺寸和技术参数
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Dimensions in mm - source DIN EN ISO 7048 Publication date: 07/2011 Supersedes DIN EN ISO 7048: 10/1998 |
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d thread size |
P
|
k min
|
k max |
dk min
|
dk max | recess nr. |
Type H m ref.
|
Type Z m ref. |
|
M 2.5
|
0.45
|
1.66 | 1.8 |
4.32
|
4.5 | 1 | 2.9 | 2.4 |
|
M 3
|
0.5
|
1.86 | 2 |
5.32
|
5.5 | 2 | 3.0 | 3.5 |
|
M 3.5
|
0.6
|
2.26 | 2.4 |
5.82
|
6 | 2 | 4.4 | 3.7 |
|
M 4
|
0.7
|
2.46 | 2.6 |
6.78
|
7 | 2 | 4.4 | 4 |
|
M 5
|
0.8
|
3.12 | 3.3 |
8.28
|
8 | 2 | 4.9 | 4.6 |
|
M 6
|
1
|
3.6 | 3.9 |
9.78
|
10 | 2 | 6.8 | 6.1 |
|
M 8
|
1.25
|
4.7 | 5 |
12.
|
13 | 3 | 8.9 | 7.5 |
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DIN EN ISO 7048 - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items |
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| d thread size | M 2.5 | M 3 | M 3.5 | M 4 | M 5 | M 6 | M 8 |
| nominal length l | |||||||
| 2 | |||||||
| 3 | 0.272 | ||||||
| 4 | 0.302 | 0.515 | |||||
| 5 | 0.332 | 0.56 | 0.786 | 1.09 | |||
| 6 | 0.362 | 0.604 | 0.845 | 1.17 | 2.06 | ||
| 8 | 0.422 | 0.692 | 0.966 | 1.33 | 2.2 | 3.56 | |
| 10 | 0.482 | 0.780 | 1.08 | 1.47 | 2.55 | 3.92 | 7.85 |
| 12 | 0.542 | 0.868 | 1.2 | 1.63 | 2.8 | 4.27 | 8.49 |
| 16 | 0.662 | 1.04 | 1.44 | 1.95 | 3.3 | 4.98 | 9.77 |
| 20 | 0.782 | 1.22 | 1.68 | 2.25 | 3.78 | 5.69 | 11 |
| 25 | 0.932 | 1.44 | 1.98 | 2.64 | 4.4 | 6.56 | 12.6 |
| 30 | 1.66 | 2.28 | 3.02 | 5.02 | 7.45 | 14.2 | |
| 35 | 2.57 | 3.41 | 5.62 | 8.25 | 15.8 | ||
| 40 | 3.8 | 6.25 | 9.2 | 17.4 | |||
| 45 | 6.88 | 10 | 18.9 | ||||
| 50 | 7.5 | 10.9 | 20.6 | ||||
| 60 | 12.7 | 23.7 | |||||
| 70 | 26.8 | ||||||
| 80 | 29.8 | ||||||