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 6685-01-628-9226
NSN 6620-01-431-0706
NSN 6685-01-079-7988
NSN 5975-01-626-2919
NSN 5996-01-312-1727
NSN 5935-01-222-1204
NSN 6150-01-464-0784
NSN 5990-01-400-3299
NSN 5905-01-198-0092
NSN 5905-01-174-6213
NSN 5960-01-065-9684
NSN 6645-01-561-8760