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 5960-01-376-3880
NSN 6130-00-903-3578
NSN 2925-01-446-0525
NSN 6320-01-087-7962
NSN 6685-01-508-4166
NSN 5920-01-217-4024
NSN 5975-01-361-7959
NSN 5990-01-229-3003
NSN 5999-01-446-2915
NSN 6220-00-081-6429
NSN 5835-00-054-4607
NSN 5996-01-543-0765