Hexagon Head Tapping Screws with Collar
Q 279 六角凸缘（华司）自攻螺钉
See all versions and complete specifications: Hexagon Head Tapping Screws with Collar — Full Specification Page
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| ST2.9 | 1.3 | 3.4 | 3.0 | 0.6 | 8.3 | 5.32 | 7.6 | 5.5 |
| ST3.5 | 1.6 | 4.3 | 3.8 | 0.9 | 10.5 | 7.78 | 9.8 | 8.0 |
| ST4.2 | 1.8 | 5.9 | 5.3 | 1 | 13.5 | 9.78 | 12.2 | 10.0 |
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