A straight metal rod with a shank at one end to fit the drilling machine chuck, and the opposite end externally threaded or tapered to receive a detachable bit. The rod has a passageway throughout its entire length for conducting air or water to clear the hole being drilled. Overall length must be at least 15 inches (381 mm). Excludes drill rods designed for core drilling. See also drill rod section, rock drill; and shank, rod, rock drill.
Classification: Parts of coal or rock cutters and tunneling machinery
NSN 5999-00-058-1780
NSN 6685-01-633-4620
NSN 5935-01-389-1925
NSN 6685-00-524-9210
NSN 6650-00-287-5868
NSN 6240-01-640-7265
NSN 4140-01-487-8562
NSN 6685-01-101-7495
NSN 5935-01-502-9514
NSN 6145-00-481-8737
NSN 6610-00-785-4054
NSN 5925-01-545-7399