Hexagon Screws (UNC and UNF threads)
AS /NZS 2465 - 1999 (R2016) 美制六角螺钉 - UNC, UNF螺纹
See all versions and complete specifications: Hexagon Screws (UNC and UNF threads) — Full Specification Page
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 8 | 1.675 | 1.469 | 39/64 | 12 | 1-1/2 | 0.591 | 1.732 | 1.500 | 0.627 |
| 1/4 | 18 | 0.557 | 0.489 | 13/64 | 24 | 1/2 | 0.195 | 0.577 | 0.500 | 0.211 |
| 3/8 | 12 | 0.910 | 0.798 | 23/64 | 18 | 13/16 | 0.348 | 0.938 | 0.812 | 0.371 |
| 5/8 | 6 | 2.480 | 2.175 | 1-5/16 | 12 | 2-1/4 | 0.902 |
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| 2.598 |
| 2.250 |
| 0.974 |
| 5/16 | 14 | 0.698 | 0.612 | 9/32 | 20 | 5/8 | 0.272 | 0.722 | 0.625 | 0.291 |
| 7/16 | 10 | 1.254 | 1.100 | 15/32 | 16 | 1-1/8 | 0.455 | 1.299 | 1.125 | 0.483 |
| 9/16 | 7 | 2.066 | 1.812 | 25/32 | 12 | 1-7/8 | 0.749 | 2.165 | 1.875 | 0.813 |
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