| 秘密研究所 with ISO metric threads | |||
|---|---|---|---|
| Material | Carbon steel Alloy steel |
Stainless steel | Non-ferrous metal |
| Tolerance | ISO 4759-1 | ||
| Mechanical and functional properties | ISO 898-1 ISO 898-2 ISO 898-5 ISO 898-6 ISO 898-7 |
ISO 3506-1 ISO 3506-2 ISO 3506-3 |
ISO 8839 |
| Geometric elements | |||
| threads | ISO 965-1, ISO 965-2, ISO 965-3, ISO 965-4, ISO 965-5 | ||
| drive elements | ISO 272, ISO 4757, ISO 10664 | ||
| ends of parts | ISO 4753 | ||
| countersunk head | ISO 7721 | ||
| other | ISO 885, ISO 888, ISO 3508, ISO 4755, ISO 7378 | ||
| Surface integrity | ISO 6157-1 ISO 6157-2 ISO 6157-3 |
- | - |
| Surface treatment | ISO 4042 ISO 10683 ISO 10684 |
ISO 16048 | ISO 4042 |
| Acceptability | ISO 3269, ISO 16426 | ||
| Sheet metal threaded fasteners | ||
|---|---|---|
| Material | Steel | Stainless steel |
| Tolerance | ISO 4759-1 | |
| Mechanical and functional properties |
ISO 2702 ISO 10666 |
ISO 3506-4 |
| Geometric elements | ||
| threads | ISO 1478 | |
| drive elements | ISO 4757, ISO 10664 | |
| ends of parts | ISO 1478 | |
| countersunk head | ISO 7721 | |
| Surface treatment | ISO 4042 ISO 10683 ISO 10684 |
ISO 16048 |
| Acceptability | ISO 3269, ISO 16426 | |