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 5965-01-188-7267
NSN 5910-00-554-1422
NSN 7035-00-188-6674
NSN 5965-01-100-2591
NSN 5925-01-522-0439
NSN 6105-00-481-3401
NSN 6110-01-537-3224
NSN 5835-00-215-3769
NSN 6135-00-764-8680
NSN 6240-01-555-1262
NSN 5855-00-228-8446
NSN 6610-01-311-8230