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 5910-01-258-4887
NSN 5905-01-553-7180
NSN 4140-00-379-4748
NSN 5965-01-233-0771
NSN 5945-01-063-7495
NSN 7035-01-202-9250
NSN 7035-01-040-6373
NSN 5985-01-016-0295
NSN 5915-01-387-8111
NSN 5910-01-660-5716
NSN 5950-00-715-6400
NSN 6110-00-340-3280