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 2925-01-318-8853
NSN 5915-01-553-7288
NSN 5930-00-064-4768
NSN 5950-01-573-7961
NSN 5945-01-300-7819
NSN 5945-01-605-3053
NSN 5990-01-616-5242
NSN 6610-00-823-9159
NSN 5990-00-067-6791
NSN 5945-01-461-7798
NSN 6650-00-341-4176
NSN 6145-01-417-1705