Slotted Countersunk Head Screws
GB 68 - 1985 开槽沉头螺钉
See all versions and complete specifications: Slotted Countersunk Head Screws — Full Specification Page
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 68 |
| NF | NF E 25-123 |
| DIN | DIN EN ISO 2009 |
| ISO | ISO 2009 |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M2 | 0.5 | 0.85 | 0.86 | 5.5 | 5.2 | 1 | 25 | 0.8 | 1 | 6.3 | 1.65 |
| M3 | 1.25 | 2.3 | 2.06 | 15.8 | 15.4 | 2.5 | 38 | 2 |
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| 2.31 |
| 17.3 |
| 4.65 |
| M4 | 1.5 | 2.6 | 2.56 | 18.3 | 17.8 | 3 | 38 | 2.5 | 2.81 | 20 | 5 |
| M1.6 | 0.4 | 0.6 | 0.56 | 3.8 | 3.5 | 0.8 | 25 | 0.5 | 0.7 | 4.4 | 1.2 |
| M2.5 | 0.8 | 1.4 | 1.26 | 9.3 | 8.9 | 1.6 | 38 | 1.2 | 1.51 | 10.4 | 2.7 |
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