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 6610-01-220-2967
NSN 4140-01-476-4468
NSN 5999-01-634-0576
NSN 5915-01-486-4068
NSN 6130-01-353-0965
NSN 5925-01-032-3461
NSN 6620-01-011-3449
NSN 6220-00-523-9406
NSN 7035-01-633-9537
NSN 5960-00-400-2222
NSN 6610-01-065-1073
NSN 5925-00-008-4413