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 6645-01-445-5235
NSN 6220-01-144-5166
NSN 5855-00-337-3679
NSN 5996-01-095-1286
NSN 6130-01-269-4845
NSN 6685-01-120-2072
NSN 5915-01-191-7554
NSN 5905-00-138-1660
NSN 6110-01-360-6730
NSN 5915-01-055-7417
NSN 6610-00-120-1251
NSN 6105-00-467-5283