Work status for connecting with diamond core drill bits.
The extension shaft is hollow to allow water flow during wet applications.
Description
Extesion Lenghth: 12", Overall length : 14".
Female 1-1/4" -7 UNC thread to male 1-1/4" -7 UNC thread.
Adopt heat treated industrial grade steel extends lifetime.
Work status for connecting with diamond core drill bits.
The extension shaft is hollow to allow water flow during wet applications.