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 6645-00-056-1580
NSN 5930-01-444-4074
NSN 6150-01-224-6391
NSN 6610-00-020-9894
NSN 5905-01-514-1507
NSN 6320-01-201-2776
NSN 7035-00-490-0485
NSN 5915-01-251-9564
NSN 5960-01-632-6576
NSN 5960-00-594-0824
NSN 5975-00-560-8080
NSN 6650-01-062-8105