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 6240-00-226-6709
NSN 5910-01-325-2575
NSN 6610-01-653-5497
NSN 6610-00-720-8775
NSN 6650-00-917-0436
NSN 5945-01-576-0297
NSN 5998-01-571-9070
NSN 6150-00-264-5978
NSN 5905-01-023-5816
NSN 5930-00-326-3881
NSN 6145-01-642-3873
NSN 6145-01-051-3343