A straight metal rod externally threaded or tapered on both ends for attachment by means of a coupling to another rod or rod shank, or to a detachable bit. The rod has a passageway throughout its entire length for conducting air or water to clear the hole being drilled. See also drill rod, rock drill; and shank, rod, rock drill.
Classification: Parts of boring or sinking machinery of subheading 8430.41 or 8430.49,nesoi
NSN 6145-01-619-9515
NSN 5835-01-546-2008
NSN 5855-00-912-3885
NSN 5998-00-815-5878
NSN 5910-01-141-8556
NSN 6645-00-884-5845
NSN 5915-00-432-6333
NSN 5965-01-621-1814
NSN 5945-00-453-4859
NSN 5915-00-043-4787
NSN 4140-01-400-0643
NSN 5996-00-456-0895