Hammer bit
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 6240-01-459-3354
NSN 6220-01-186-6431
NSN 6135-00-767-0331
NSN 5965-00-518-0958
NSN 7035-01-469-5854
NSN 4140-01-488-3969
NSN 5950-01-127-0637
NSN 5920-01-651-0878
NSN 5960-01-328-8248
NSN 5835-01-227-2318
NSN 6645-00-960-6594
NSN 7035-01-167-2241