Attachment method 6.625 in. Api reg pin thread, 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 5920-00-339-0338
NSN 5855-01-422-8782
NSN 2925-01-574-4413
NSN 6145-01-442-8143
NSN 5910-00-099-4549
NSN 5930-01-389-4459
NSN 6105-00-707-4903
NSN 5965-01-399-8454
NSN 5965-01-109-2917
NSN 6130-00-289-7050
NSN 6240-01-106-6113
NSN 6110-01-378-2399