Heavy Hex Screws [Table 7] (ASTM A193 / A320 / A394)
ASME B 18.2.1 (T7) - 2012 大六角头螺钉 [Table 7] (ASTM A193 / A320 / A394)
See all versions and complete specifications: Heavy Hex Screws [Table 7] (ASTM A193 / A320 / A394) — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1.75 | 4 | 3.75 | 3.175 | 3.035 | 1.716 | 2.75 | 1.054 | 0.748 | 2.662 | 1.134 |
| 1/2 | 0.75 | 2 | 1.75 | 1.443 | 1.383 | 0.729 | 1.25 | 0.455 | 0.324 | 1.212 | 0.483 |
| 3/4 | 1.25 | 3 | 2.75 | 2.309 | 2.209 | 1.223 | 2 | 0.749 | 0.530 | 1.938 | 0.813 |
| 3/8 | 0.500 | 1.5 | 1.25 | 1.01 | 0.969 |
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| 0.482 |
| 0.875 |
| 0.302 |
| 0.215 |
| 0.850 |
| 0.323 |
| 5/8 | 1 | 2.5 | 2.25 | 1.876 | 1.796 | 0.976 | 1.625 | 0.591 | 0.416 | 1.575 | 0.627 |
| 7/8 | 1.5 | 3.5 | 3.25 | 2.742 | 2.622 | 1.47 | 2.375 | 0.902 | 0.640 | 2.3 | 0.974 |
| 1-1/4 | 2.25 | 5 | — | 4.041 | 3.862 | 2.214 | 3.5 | 1.327 | 0.933 | 3.388 | 1.423 |
| 1-1/8 | 2 | 4.5 | 4.25 | 3.608 | 3.449 | 1.964 | 3.125 | 1.175 | 0.825 | 3.025 | 1.263 |
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