Cross Recessed Hexagon Head Tapping Screws with Indentation
GB 9456 - 1988 十字槽凹穴六角头自攻螺钉
See all versions and complete specifications: Cross Recessed Hexagon Head Tapping Screws with Indentation — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ST2.9 | 1.3 | 3.5 | 2 | 5.96 | 2.6 | 1.3 | 5.50 | 3.2 | 2.5 | 5.32 | 2.3 |
| ST3.5 | 1.6 | 4.4 | 2 | 8.71 | 3.8 | 1.6 | 8.00 | 4.3 | 3.2 | 7.78 | 3.3 |
| ST4.2 | 2.1 | 7.2 | 3 | 14.26 | 6.0 | 2.1 | 13.00 | 7.5 | 4.2 | 12.73 | 5.2 |
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