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发布日期：2024-04-09 浏览次数：
标准类型：GB/中国
标准号：GB/T 856-1988
单位：毫米（mm） 规格：Φ2.5~Φ48
| (mm) | d max | d min | dc max | dc min | n max | n min | L min | L max | h |
|---|---|---|---|---|---|---|---|---|---|
| Φ2.5 | 2.95 | 2.7 | 10 | 9.64 | 2 | 1.75 | 3.2 | 3.8 | 0.4 |
| Φ3 | 3.5 | 3.2 | 12 | 11.57 | 2.5 | 2.25 | 4.2 | 4.8 | 0.4 |
| Φ4 | 4.5 | 4.2 | 14 | 13.57 | 2.5 | 2.25 | 5.2 | 5.8 | 0.4 |
| Φ5 | 5.6 | 5.3 | 17 | 16.57 | 3.5 | 3.2 | 6.64 | 7.36 | 0.5 |
| Φ6 | 6.76 | 6.4 | 19 | 18.48 | 3.5 | 3.2 | 7.14 | 7.86 | 0.5 |
| Φ8 | 8.76 | 8.4 | 22 | 21.48 | 3.5 | 3.2 | 8.14 | 8.86 | 0.5 |
| Φ10 | 10.93 | 10.5 | 26 | 25.48 | 4.5 | 4.2 | 9.64 | 10.36 | 0.5 |
| Φ12 | 13.43 | 13 | 32 | 31.38 | 4.5 | 4.2 | 11.57 | 12.43 | 1 |
| Φ14 | 15.43 | 15 | 32 | 31.38 | 4.5 | 4.2 | 11.57 | 12.43 | 1 |
| Φ16 | 17.43 | 17 | 40 | 39.38 | 5.5 | 5.2 | 14.57 | 15.43 | 1 |
| Φ18 | 19.52 | 19 | 45 | 44.38 | 6 | 5.7 | 17.57 | 18.43 | 1 |
| Φ20 | 21.52 | 21 | 45 | 44.38 | 6 | 5.7 | 17.57 | 18.43 | 1 |
| Φ22 | 23.52 | 23 | 50 | 49.38 | 7 | 6.64 | 19.48 | 20.52 | 1 |
| Φ24 | 25.52 | 25 | 50 | 49.38 | 7 | 6.64 | 19.48 | 20.52 | 1 |
| Φ27 | 28.52 | 28 | 58 | 57.26 | 8 | 7.64 | 22.48 | 23.52 | 1.5 |
| Φ30 | 31.62 | 31 | 63 | 62.26 | 8 | 7.64 | 24.48 | 25.52 | 1.5 |
| Φ36 | 37.62 | 37 | 75 | 74.26 | 11 | 10.57 | 30.38 | 31.62 | 1.5 |
| Φ42 | 43.62 | 43 | 88 | 87.13 | 11 | 10.57 | 35.38 | 36.62 | 1.5 |
| Φ48 | 50.62 | 50 | 100 | 99.13 | 13 | 12.57 | 39.38 | 40.62 | 1.5 |
