A straight metal rod with a shank at one end to fit the drilling machine chuck, and the opposite end externally threaded or tapered for attachment by a coupling to a threaded drill rod section. The shank has a passageway throughout its entire length for conducting air or water to clear the hole being drilled, and a packing seal in the upper end of the shank, overall length must be less than 15 inches (381 mm).
Classification: Parts of boring or sinking machinery of subheading 8430.41 or 8430.49,nesoi
NSN 5915-01-168-5813
NSN 6220-01-308-3918
NSN 5999-00-686-7604
NSN 6650-01-272-9746
NSN 5835-01-528-7454
NSN 2925-01-014-0118
NSN 5996-01-155-8924
NSN 5945-01-490-3391
NSN 5965-00-387-6880
NSN 5910-01-439-2273
NSN 5895-01-618-3892
NSN 5960-01-023-8037