Rock Drill or Hammer Drill Insert

rknarr2

New member
I think this might have been inserted on the end of a longer rod to break rock up in the mine like a gold mine or coal mine like that on a rock drill or hammer drill. This insert is 8 1/2" which includes the connection part or 6 3/4" which includes just the drill teeth section and has a 1/2" diameter. Thank you for your assistance in this matter.
Regards,
Rob
 

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