Cross Recessed Raised Countersunk Head Screws
GB 820 - 1985 十字槽半沉头螺钉
See all versions and complete specifications: Cross Recessed Raised Countersunk Head Screws — Full Specification Page
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 820 |
| DIN | DIN EN ISO 7047 |
| ISO | ISO 7047 |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M2 | 0.5 | 1.8 | 3.8 | 5.2 | 1.65 | 1 | 6.3 | 1 | 3.4 | 5.5 | 1.25 |
| M3 | 1.25 | 4.75 | 9.6 | 15.4 | 4.65 | 2.5 | 17.3 | 4 |
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| 9.6 |
| 15.8 |
| 3.2 |
| M4 | 1.5 | 5.5 | 10.4 | 17.8 | 5 | 3 | 20 | 4 | 10.4 | 18.3 | 3.8 |
| M1.6 | 0.4 | 1.2 | 2.2 | 3.5 | 1.2 | 0.8 | 4.4 | 0 | 2 | 3.8 | 1 |
| M2.5 | 0.8 | 2.9 | 5.6 | 8.9 | 2.7 | 1.6 | 10.4 | 2 | 5.4 | 9.3 | 2 |
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