No.3 Regular Head Plow Bolts (Round, Countersunk, Square Neck) (A307, F468, F593, SAE J 429)
ASME B 18.9 - 2012 3号沉头方颈螺栓（标准头）[Table 1] (A307, F468, F593, SAE J 429)
See all versions and complete specifications: No.3 Regular Head Plow Bolts (Round, Countersunk, Square Neck) (A307, F468, F593, SAE J 429) — 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 | 0.8750 | 0.875 | 0.906 | 1.512 | 1.469 | 9 | 0.938 | 0.626 | 0.526 | 0.853 | 1.344 |
| 3/8 | 0.5000 | 0.500 | 0.515 | 0.945 | 0.890 | 13 | 0.500 | 0.417 | 0.349 | 0.483 | 0.831 |
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| 5/16 | 0.3750 | 0.375 | 0.387 | 0.708 | 0.671 | 16 | 0.375 | 0.312 | 0.262 | 0.360 | 0.624 |
| 7/16 | 0.6250 | 0.625 | 0.640 | 1.147 | 1.094 | 11 | 0.657 | 0.506 | 0.426 | 0.606 | 1.013 |
| 9/16 | 1.0000 | 1.000 | 1.031 | 1.700 | 1.656 | 8 | 1.062 | 0.690 | 0.590 | 0.976 | 1.532 |
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