Slotted Countersunk（Flat）Head Tapping Screws
GB /T 5283 - 2017 开槽沉头自攻螺钉
See all versions and complete specifications: Slotted Countersunk（Flat）Head Tapping Screws — Full Specification Page
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 5283 |
| DIN | DIN EN ISO 1482 |
| ISO | ISO 1482 |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ST2.2 | 1.1 | 2.1 | 2.6 | 1.7 | 1 | 1.1 | 5.5 | 0.85 | 0.6 | 5.2 | 0.86 |
| ST2.9 | 1.4 | 2.8 | 3.7 | 2.6 | 1.51 | 1.4 | 8.4 | 1.3 |
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| 1 |
| 8 |
| 1.26 |
| ST3.5 | 1.8 | 3.6 | 5 | 3 | 1.91 | 1.8 | 10.3 | 1.5 | 1.1 | 9.9 | 1.66 |
| ST4.2 | 2.1 | 4.2 | 7.5 | 4.65 | 2.31 | 2.1 | 15.8 | 2.3 | 1.8 | 15.4 | 2.06 |
| ST4.8 | 2.1 | 4.2 | 8 | 5.25 | 2.81 | 2.1 | 18.3 | 2.6 | 2 | 17.8 | 2.56 |
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