链轮尺寸：03B-48B
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1.链轮成品孔, 牙齿可以感应淬硬至HRC 45-55
2.孔公差可达到H7,，和H6代表一些特殊的.
3.表面粗糙度Ra1.6, Ra0.8（针对某些特殊型号）.
4.键槽符合DIN6885 / BS4235, 在牙齿的中心线.
5.两个固定孔.
6.下面是钻孔表 & 键槽 & 紧定螺钉
| 孔直径. | 孔公差 | 键槽 | 拧 |
| 10 | H7 +0.015/0 | 3X1.4 | M4 |
| 12 | H7 +0.018/0 | 4X1.8 | M4 |
| 14 | H7 +0.015/0 | 5X2.3 | M4 |
| 15 | H7 +0.015/0 | 5X2.3 | M4 |
| 16 | H7 +0.015/0 | 5X2.3 | M4 |
| 18 | H7 +0.015/0 | 6X2.8 | M5 |
| 19 | H7 +0.021/0 | 6X2.8 | M5 |
| 20 | H7 +0.021/0 | 6X2.8 | M5 |
| 22 | H7 +0.021/0 | 6X2.8 | M5 |
| 24 | H7 +0.021/0 | 8X3.3 | M5 |
| 25 | H7 +0.021/0 | 8X3.3 | M6 |
| 28 | H7 +0.021/0 | 8X3.3 | M6 |
| 30 | H7 +0.021/0 | 8X3.3 | M6 |
| 32 | H7 +0.025/0 | 10X3.3 | M8 |
| 35 | H7 +0.025/0 | 10X3.3 | M8 |
| 38 | H7 +0.025/0 | 10X3.3 | M8 |
| 40 | H7 +0.025/0 | 12X3.3 | M10 |
| 42 | H7 +0.025/0 | 12X3.3 | M10 |
| 45 | H7 +0.025/0 | 14X3.8 | M12 |
| 48 | H7 +0.025/0 | 14X3.8 | M12 |
| 50 | H7 +0.025/0 | 14X3.8 | M12 |
