Hexagon Collar Head Tapping Screws for Plastic
QC /T 876 - 2011 塑料用六角头凸缘（华司）自攻钉
See all versions and complete specifications: Hexagon Collar Head Tapping Screws for Plastic — Full Specification Page
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| NST 3 | 8.3 | 5.32 | 3.4 | 7.6 | 0.6 | 2.6 | 2.4 | 5.5 | 3 |
| NST 4 | 13.5 | 9.78 | 5.9 | 12.2 | 1 | 4.8 | 4 | 10 | 5.3 |
| NST 3.5 | 10.5 | 7.78 | 4.3 | 9.8 | 0.9 | 3.7 | 3.6 | 8 | 3.8 |
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