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 6150-01-177-5115
NSN 5855-00-821-7512
NSN 5998-01-483-1590
NSN 2925-00-406-4381
NSN 4140-01-592-9433
NSN 5895-01-074-7902
NSN 5920-01-299-5294
NSN 6135-01-321-5659
NSN 5920-00-373-3636
NSN 5985-00-097-9884
NSN 5855-01-594-2082
NSN 5835-01-512-4834