Shaft Couplings

Shaft couplings permit positive thread-to-thread adaptation from machine to core bit.
| Male | Female | Part # |
| 5/8"-11 | 3/4"-16 | 304145 |
| 3/4"-16 | 5/8"-11 | 304146 |
| 1-1/4"-7 | 5/8"-11 | 304147 |
| 5/8"-11 | 1-1/4"-7 | 304148 |

Shaft couplings permit positive thread-to-thread adaptation from machine to core bit.
| Male | Female | Part # |
| 5/8"-11 | 3/4"-16 | 304145 |
| 3/4"-16 | 5/8"-11 | 304146 |
| 1-1/4"-7 | 5/8"-11 | 304147 |
| 5/8"-11 | 1-1/4"-7 | 304148 |