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 6320-00-107-5291
NSN 5910-00-472-0630
NSN 5985-01-519-9295
NSN 6110-00-054-2527
NSN 2925-01-446-6523
NSN 6610-01-461-8180
NSN 6110-01-030-9457
NSN 5965-00-228-8336
NSN 7035-01-160-4423
NSN 6240-01-450-4886
NSN 5835-00-019-1816
NSN 5996-01-238-5494