Cross Recessed Countersunk Flat Head Screws (Common Head Style) - Grade A - Part 2: Steel of Property Class 8.8, Stainless and Non-Ferrous Metals
GB /T 819.2 - 1997 十字槽沉头螺钉 第2部分：钢8.8级、不锈钢A2-70和有色金属螺钉CU2或CU3
See all versions and complete specifications: Cross Recessed Countersunk Flat Head Screws (Common Head Style) - Grade A - Part 2: Steel of Property Class 8.8, Stainless and Non-Ferrous Metals — Full Specification Page
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 819.2 |
| NF | NF E 25-119-2 |
| DIN | DIN EN ISO 7046-2 |
| ISO | ISO 7046-2 |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M2 |
| 0.45 |
| 2.7 |
| 2.8 |
| 4.4 |
| 1.5 |
| 25 |
| 5.5 |
| 1 |
| 2.9 |
| 4.7 |
| 1.1 |
| M3 | 0.8 | 4.8 | 4.9 | 8.9 | 2.7 | 38 | 10.4 | 2 | 5.2 | 9.30 | 2 |
| M4 | 1.5 | 9.6 | 9.8 | 17.8 | 5 | 38 | 20 | 4 | 10 | 18.30 | 3.8 |
| M2.5 | 0.6 | 4.1 | 4.1 | 6.9 | 2.35 | 38 | 8.2 | 2 | 4.4 | 7.30 | 1.5 |
| (M3.5) | 1.25 | 8.7 | 8.8 | 15.4 | 4.65 | 38 | 17.3 | 4 | 8.9 | 15.80 | 3.2 |
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