6 Inch Core Bit Extension. This extension shaft is for use on core drill machines and dry core bits with 5/8"-11 threaded. Easily to extend the drilling depth to 6" deep. Use this on a Core Drill to a 5/8"-11 male thread to 5/8"-11 female thread.
- 6" shaft and 5/8"-11 mm Thread Size
- For use on a Core Drill
- Apply 5/8"-11male thread to 5/8"-11 female thread
- The shaft is hollow to allow water flow during wet applications
- 6" shaft and 5/8"-11 mm Thread Size
- For use on a Core Drill
- Apply 5/8"-11male thread to 5/8"-11 female thread
- The shaft is hollow to allow water flow during wet applications