Hexagon Flange Head Self-drilling Tapping Screws
GB /T 15856.4 - 1995 六角法兰面自钻自攻螺钉
See all versions and complete specifications: Hexagon Flange Head Self-drilling Tapping Screws — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ST3.5 | 1.4 | 0.6 | 1.9 | 0.9 | 7 | 1.4 | 8.8 | 7.59 | 4.25 | 8.2 | 6.78 |
| ST4.2 | 1.8 | 0.8 | 2.7 | 1 | 8 | 1.8 | 11 | 8.71 | 5.45 | 10 | 7.78 |
| ST4.8 | 1.8 | 0.9 | 3.3 | 1 | 10 | 1.8 | 13.2 | 10.95 | 5.45 | 12.2 | 9.78 |
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