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 4140-00-823-9194
NSN 5999-01-170-4738
NSN 6110-00-141-1966
NSN 5960-01-358-9733
NSN 4140-01-530-1907
NSN 6110-01-170-5379
NSN 6610-00-066-5451
NSN 5915-01-416-1528
NSN 5895-00-030-9778
NSN 5975-00-642-8959
NSN 5960-00-032-9715
NSN 6150-01-172-2038