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 5990-01-369-6915
NSN 5960-01-579-1661
NSN 5905-01-576-9362
NSN 5975-01-580-2651
NSN 6650-01-572-8505
NSN 5925-01-222-1636
NSN 5915-00-283-1146
NSN 5975-00-329-4443
NSN 7035-00-890-7649
NSN 5920-00-081-9156
NSN 5985-00-966-6338
NSN 2925-01-175-1217