A detachable, end cutting drilling tool with an internal thread or tapered socket at one end for attaching a rock drill rod. The opposite end is designed with two or more cutting edges for drilling into rock formation by impact and a slight rotary motion. It contains a hole or holes in the cutting for the purpose of conducting air or water to clear the hole being drilled. It is used with powered drifter drills, sinker drills, and the like.
Classification: Boring or sinking machinery, nesoi
NSN 5920-01-563-6565
NSN 6220-00-223-7445
NSN 6150-00-563-4583
NSN 5996-01-530-7313
NSN 6240-01-025-1208
NSN 5925-01-580-5744
NSN 6645-00-149-1100
NSN 6105-00-466-9880
NSN 4140-01-447-8964
NSN 5975-01-602-2535
NSN 6130-01-113-6715
NSN 6135-00-405-1989