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 6610-01-546-3879
NSN 6610-00-516-4228
NSN 5920-01-535-7477
NSN 5998-00-110-8268
NSN 5950-00-118-9998
NSN 4140-00-244-2365
NSN 5915-01-019-8618
NSN 5990-01-055-4012
NSN 6610-01-601-7648
NSN 6645-01-617-3354
NSN 6130-01-368-4889
NSN 6610-01-354-7963