Lobed Head Screws [Table 9]
ASME B 18.2.1 (T9) - 2012 梅花头凸缘螺钉 [Table 9]
See all versions and complete specifications: Lobed Head Screws [Table 9] — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 8 | 1 | E32 | 0.355 | 0.343 | 1.138 | 1.063 | 1.479 | 0.8393 | 1.053 | 1.5 |
| 1/4 | 18 | 0.3125 | E10 | 0.1 | 0.09 | 0.362 | 0.323 | 0.457 | 0.2663 | 0.313 | 0.469 |
| 3/8 | 12 | 0.5625 | E18 | 0.165 | 0.153 | 0.645 | 0.551 | 0.828 | 0.4663 | 0.541 | 0.844 |
| 5/8 | 6 | 1.375 | E44 | 0.453 | 0.441 |
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| 1.562 |
| 1.417 |
| 2.038 |
| 1.1513 |
| 1.407 |
| 2.062 |
| 5/16 | 14 | 0.4375 | E14 | 0.155 | 0.145 | 0.499 | 0.472 | 0.642 | 0.3613 | 0.462 | 0.656 |
| 7/16 | 10 | 0.75 | E24 | 0.255 | 0.243 | 0.86 | 0.787 | 1.107 | 0.6183 | 0.777 | 1.125 |
| 9/16 | 7 | 1.25 | E40 | 0.422 | 0.41 | 1.42 | 1.299 | 1.852 | 1.0463 | 1.289 | 1.875 |
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