Steel Dragon Tools® Core Drill Bit Adapter 5/8 in. x 11 TPI Box to 1-1/4 in. x 7 TPI Male Adapter.
- 5/8 in. x 11 TPI Box to 1-1/4 in. x 7 TPI Male Adapter
- High-quality adapter for use on core drill rig spindles when connecting to various sized core bit hubs.