FD Weld Screws
ISO 13918 (FD) - 1998 FD型，带法兰的螺纹螺柱
See all versions and complete specifications: FD Weld Screws — Full Specification Page
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 902.4(PS) |
| ISO | ISO 13918(PS) |
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| M3 | 0.7 | 1.4 | 0.7 | 5 | 5.2 | 4.8 | 1.5 |
| M4 | 1 | 1.4 | 0.8 | 7 | 7.2 | 6.8 | 2 |
| M5 | 1.5 | 1.4 | 0.8 | 11 | 11.2 | 10.8 | 2 |
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