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 ...

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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

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