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 5905-00-001-4331
NSN 6105-00-265-7545
NSN 6110-01-237-8553
NSN 6645-00-269-2764
NSN 5905-00-152-4080
NSN 6685-01-592-3247
NSN 5930-01-503-3729
NSN 5965-01-305-2858
NSN 6105-01-367-2958
NSN 5975-00-952-1791
NSN 5960-01-595-6515
NSN 5945-01-421-4135