Attachment method 4.5 in api reg pin threads, 5 thds per in., 3 in. Taper per foot, right hand, medium
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 5920-01-524-0222
NSN 5945-00-879-4952
NSN 5965-00-791-0964
NSN 5925-01-146-1953
NSN 6610-00-997-6876
NSN 5905-01-031-3302
NSN 4140-01-534-1589
NSN 6685-01-356-0983
NSN 6620-01-522-8002
NSN 6240-01-147-5424
NSN 6145-01-634-0388
NSN 5950-00-812-3231