Hexagon Head Tapping Screws and Plain Washer Assemblies
GB /T 9074.18 (S1) - 2002 六角头自攻螺钉和平垫组合
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| Standard Body | Standard Number |
|---|---|
| GB | GB /T 9074.18(S1) |
| DIN | DIN EN ISO 10510(S1) |
| ISO | ISO 10510(S1) |
| Size | P | k_max | s_max | s_min | k_nominal |
|---|---|---|---|---|---|
| ST2.2 | 1.1 | 9 | 1 | 1 | 7 |
| ST2.9 | 1.4 | 12 | 1 | 1 | 9 |
| ST3.5 | 1.8 | 15 | 1.6 | 1.6 | 12 |
| ST4.2 | 2.1 | 24 | 1.6 | 2 | 16 |
| ST4.8 | 2.1 | 30 |
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| 2 |
| 2.5 |
| 20 |
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