Hexagon Socket Button Head Screws with Collar
GB /T 70.4 - 2015 内六角平圆头凸缘（华司）螺钉
See all versions and complete specifications: Hexagon Socket Button Head Screws with Collar — Full Specification Page
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 70.4 |
| DIN | DIN EN ISO 7380(-2) |
| ISO | ISO 7380-2 |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M3 | 0.7 | 1.95 | 2.20 | 8.82 | 7.2 | 0.8 | 0.65 | 4 | 3.82 | 9.4 | 6.8 |
| M4 | 1 | 3.0 | 3.3 | 12.9 | 10 | 1.2 | 1 | 6 |
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| 5.82 |
| 13.6 |
| 9.6 |
| M5 | 1.5 | 5.2 | 5.5 | 21.06 | 16.5 | 2 | 1.7 | 10 | 9.78 | 21.9 | 16.1 |
| M6 | 2 | 8.44 | 8.80 | 33 | 26 | 2.8 | 2.5 | 16 | 15.73 | 34 | 25.5 |
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