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 6135-00-452-2266
NSN 5905-00-826-4750
NSN 6650-01-168-8451
NSN 6320-00-908-6841
NSN 6145-00-726-0275
NSN 6135-00-223-9563
NSN 6130-01-183-8208
NSN 5920-01-650-5703
NSN 6650-01-158-1871
NSN 5998-00-811-8880
NSN 6130-01-556-6869
NSN 5945-00-760-4821