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 5915-01-173-2904
NSN 6130-00-419-4334
NSN 5990-01-176-2724
NSN 5975-01-549-6316
NSN 6645-01-024-5261
NSN 6150-01-204-2826
NSN 6110-00-926-0781
NSN 5905-00-223-3165
NSN 5960-01-306-4606
NSN 5915-01-146-8176
NSN 5855-01-213-9076
NSN 5935-00-199-7840