12 Inch Core Bit Extension 1-1/4"-7mm (Male) to 1-1/4"-7mm (Female) shaft is for use on core drill machines and dry core bits with 1-1/4"-7 threaded. Easily extend the drilling depth to 12" deep.
- Shaft Size 12 Inch Thread 1-1/4"-7mm
- 1-1/4"-7 male thread to 1-1/4"-7 female thread
- we have other extensions available
- The shaft is hollow to allow water flow during wet applications
- Shaft Size 12 Inch Thread 1-1/4"-7mm
- 1-1/4"-7 male thread to 1-1/4"-7 female thread
- we have other extensions available
- The shaft is hollow to allow water flow during wet applications