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 4140-01-570-6576
NSN 5920-00-644-3285
NSN 5990-01-116-2181
NSN 5999-01-274-7930
NSN 5999-00-138-1557
NSN 7035-01-531-4750
NSN 6145-01-146-7407
NSN 5920-01-621-3005
NSN 5905-01-092-4202
NSN 5965-00-251-2529
NSN 5855-01-047-9267
NSN 5895-01-177-6637