螺纹 / 套筒
测量螺纹外径和螺距；按头部对边尺寸选择套筒。
| 套筒 · 尺寸 | 说明 |
|---|---|
| 5/32 in. | — |
| 3/16 in. | — |
| 7/32 in. | — |
| 1/4 in. | — |
| 9/32 in. | — |
| 5/16 in. | — |
| 11/32 in. | — |
| 3/8 in. | 3/8 in. |
| 7/16 in. | 1/4 in. |
| 1/2 in. | 5/16 in. |
| 9/16 in. | 3/8 in. |
| 5/8 in. | 7/16 in. |
| 11/16 in. | 11/16 in. |
| 3/4 in. | 1/2 in. |
| 13/16 in. | 9/16 in. |
| 7/8 in. | 7/8 in. |
| 15/16 in. | 5/8 in. |
| 1 in. | 1 in. |
| 1-1/16 in. | 1-1/16 in. |
| 1-1/8 in. | 3/4 in. |
| 1-3/16 in. | 1-3/16 in. |
| 1-1/4 in. | 1-1/4 in. |
| 1-5/16 in. | 7/8 in. |
| 1-3/8 in. | 1-3/8 in. |
| 1-7/16 in. | 1-7/16 in. |
| 1-1/2 in. | 1 in. |
螺纹 / 套筒
六角套筒通常更贴合六角头；十二角套筒较易定位。避免使用松动的工具。
数据仅供车间参考。标准、公差、材料和工具可能不同，请遵循制造商要求。