Cross Recessed Round Head Tapping Screws
QC /T 602 - 1999 十字槽大半圆头自攻钉
See all versions and complete specifications: Cross Recessed Round Head 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ST2.9 | 1.3 | 1.3 | 0.4 | 2.05 | 2 | 8 | 7.5 | 1.9 | 1.4 | 2.35 | 3.9 |
| ST3.5 | 1.6 | 1.6 | 0.5 | 2.85 | 2 | 12 | 11.5 | 2.9 | 2.4 | 3.15 | 4.9 |
| ST4.2 | 1.8 | 1.8 | 0.7 | 3.5 | 3 | 14 | 13.5 | 3.6 | 3.1 | 3.9 | 6.9 |
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