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 5905-01-157-5614
NSN 5910-01-606-1437
NSN 6135-01-132-6310
NSN 6320-01-519-0916
NSN 6320-00-937-5625
NSN 5950-01-142-2959
NSN 5895-00-356-0179
NSN 6610-01-139-6341
NSN 5930-01-452-4603
NSN 6130-00-054-5080
NSN 5965-00-412-4402
NSN 6135-01-475-3671