| English | eng-000 |
| main pin | |
| 普通话 | cmn-000 | 中心销 |
| 普通话 | cmn-000 | 主销 |
| English | eng-000 | center pin |
| English | eng-000 | centrepin |
| English | eng-000 | core pin |
| English | eng-000 | corepin |
| English | eng-000 | king bolt |
| English | eng-000 | king journal |
| English | eng-000 | king pin |
| English | eng-000 | kingpin |
| English | eng-000 | master pin |
| English | eng-000 | pivot bolt |