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详细介绍
GB3831－83 mm.
| 公称直径 | 总长 | 拉削长度 | 拉前孔径 |
| Nominal Dia | Overall Leangth | Broaching Length | Pre－Broaching Hole Dia |
| 10 | 380,440 | 10～30 | 9.3 |
| 11 | 385,450 | 10～30 | 10.3 |
| 12 | 11.3 | ||
| 13 | 395,460 | 10～30 | 12.3 |
| 14 | 13.3 | ||
| 15 | 14 | ||
| 16 | 400～520 | 10～50 | 15 |
| 17 | 16 | ||
| 18 | 405～530 | 10～50 | 17 |
| 19 | 18 | ||
| 20 | 19 | ||
| 22 | 405～655 | 10～80 | 21 |
| 24 | 23 | ||
| 25 | 24 | ||
| 26 | 25 | ||
| 28 | 465～745 | 18～120 | 27 |
| 30 | 480～750 | 18～120 | 29 |
| 31 | 29.9 | ||
| 32 | 500～750 | 18～120 | 30.8 |
| 34 | 500～760 | 18～120 | 32.9 |
| 35 | 33.9 | ||
| 36 | 34.8 | ||
| 38 | 36.8 | ||
| 40 | 38.8 | ||
| 42 | 500～770 | 30～120 | 40.8 |
| 45 | 43.8 | ||
| 48 | 560～750 | 30～120 | 46.7 |
| 50 | 48.7 | ||
| 52 | 50.8 | ||
| 54 | 52.8 | ||
| 55 | 53.8 | ||
| 58 | 56.8 | ||
| 60 | 58.8 | ||
| 62 | 60.8 | ||
| 65 | 570～770 | 30～120 | 63.8 |
| 70 | 68.8 | ||
| 75 | 73.8 | ||
| 80 | 78.8 | ||
| 85 | 83.7 |
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