| 十字槽盘头自钻自攻螺钉 |
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材料：钢 20Mn、15MnB
表面硬度:≥560 HV0.3 不锈钢 A2
不锈铁 410
L公差:js17
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GB/T 15856.1-2002 ( ISO 15481-1999, /) |
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螺纹规格 Thread Spec |
dp ≈ |
dk |
k |
槽号 slot |
m |
L |
|
max |
min |
max |
min |
H-Tape |
Z-Tape |
|
ST 2.9 |
2.3 |
5.6 |
5.3 |
2.4 |
2.15 |
1 |
3 |
3 |
13/16/19 |
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ST 3.5 |
2.8 |
7 |
6.64 |
2.6 |
2.35 |
2 |
3.9 |
4 |
13/16/19/22/25 |
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ST 4.2 |
3.6 |
8 |
7.64 |
3.1 |
2.8 |
2 |
4.4 |
4.4 |
13/16/19/22/25/32/38 |
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ST 4.8 |
4.1 |
9.5 |
9.14 |
3.7 |
3.4 |
2 |
4.9 |
4.8 |
16/19/22/25/32/38/45/50 |
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ST 5.5 |
4.8 |
11 |
10.57 |
4 |
3.7 |
3 |
6.4 |
6.2 |
19/22/25/32/38/45/50 |
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ST 6.3 |
5.8 |
12 |
11.57 |
4.6 |
4.3 |
3 |
6.9 |
6.8 |
19/22/25/32/38/45/50 |
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