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 5990-01-020-6841
NSN 6610-01-435-4387
NSN 6685-00-004-5285
NSN 2925-00-085-7332
NSN 5915-00-364-7791
NSN 5855-01-338-1718
NSN 5950-01-114-5299
NSN 4140-00-866-9587
NSN 6685-00-530-7509
NSN 5895-00-258-9135
NSN 6145-01-632-6558
NSN 6645-01-079-9216