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 5999-01-559-1986
NSN 5905-00-496-6794
NSN 4140-01-459-1864
NSN 5975-01-583-2473
NSN 5855-00-149-0766
NSN 5975-01-525-0486
NSN 5930-00-432-6047
NSN 6240-01-429-7830
NSN 5905-01-506-4696
NSN 5975-01-355-6408
NSN 4140-01-605-8793
NSN 5960-00-351-4821