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 6135-00-985-7887
NSN 5920-01-433-1651
NSN 5835-01-024-0406
NSN 5975-00-207-9695
NSN 6645-01-124-6277
NSN 5910-01-576-8402
NSN 5915-01-325-1879
NSN 5895-01-237-5065
NSN 5985-01-594-8206
NSN 6240-01-069-2688
NSN 2925-01-270-1124
NSN 6320-01-192-0332