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 5990-01-546-1649
NSN 5975-00-056-3986
NSN 6150-01-606-9177
NSN 5945-01-323-8672
NSN 5996-00-079-0384
NSN 6620-00-366-1365
NSN 5925-01-437-8542
NSN 5990-01-320-1412
NSN 5925-01-047-2140
NSN 6110-00-233-6626
NSN 5915-01-128-6123
NSN 5950-01-555-6098