Standard Rivet - 45° Flat Countersunk Head (½ Inch to 1¾ inch diameter)
BS 275 (-9) - 1927 45°沉头铆钉（直径1/2至1¾英寸）
See all versions and complete specifications: Standard Rivet - 45° Flat Countersunk Head (½ Inch to 1¾ inch diameter) — Full Specification Page
| Size | P | s_max |
|---|---|---|
| 1/2 | 14.288 | 27/32 |
| 3/4 | 26.988 | 1 19/32 |
| 5/8 | 20.638 | 1 7/32 |
| 9/16 | 17.463 | 1 1/32 |
| 11/16 | 23.813 | 1 13/32 |
| 13/16 | 28.575 | 1 11/16 |
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