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发布日期：2024-04-09 浏览次数：
标准类型：BS/英国
标准号：BS 4439-2012
单位：毫米（mm） 规格：M3~M39
| (mm) | P | b1 max | b1 min | ds max | ds min | L1 min |
|---|---|---|---|---|---|---|
| M3 | 0.5 | 3.4 | 2.6 | 3 | 2.933 | 1.5 |
| M4 | 0.7 | 4.5 | 3.5 | 4 | 3.91 | 2 |
| M5 | 0.8 | 5.5 | 4.5 | 5 | 4.905 | 2.5 |
| M6 | 1 | 6.5 | 5.5 | 6 | 5.888 | 3 |
| M8 | 1.25 | 8.6 | 7.4 | 8 | 7.868 | 4 |
| M10 | 1.5 | 10.6 | 9.4 | 10 | 9.85 | 5 |
| M12 | 1.75 | 12.7 | 11.3 | 12 | 11.83 | 6 |
| M14 | 2 | 14.7 | 13.3 | 14 | 13.82 | 7 |
| M16 | 2 | 16.7 | 15.3 | 16 | 15.82 | 8 |
| M18 | 2.5 | 18.7 | 17.3 | 18 | 17.788 | 9 |
| M20 | 2.5 | 20.8 | 19.2 | 20 | 19.788 | 10 |
| M22 | 2.5 | 22.8 | 21.2 | 22 | 21.788 | 11 |
| M24 | 3 | 24.8 | 23.2 | 24 | 23.764 | 12 |
| M27 | 3 | 27.8 | 26.2 | 27 | 26.764 | 13.5 |
| M30 | 3.5 | 30.8 | 29.2 | 30 | 29.735 | 15 |
| M33 | 3.5 | 34 | 32 | 33 | 32.735 | 16.5 |
| M36 | 4 | 37 | 35 | 36 | 35.7 | 18 |
| M39 | 4 | 40 | 38 | 39 | 35.7 | 19.5 |
