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 5930-01-025-5343
NSN 6220-00-959-5698
NSN 7035-00-064-7008
NSN 6220-01-525-4424
NSN 5835-01-209-6410
NSN 6240-00-526-0243
NSN 7035-01-285-7413
NSN 6145-00-101-9857
NSN 6685-01-422-4241
NSN 6610-00-006-1489
NSN 2925-00-452-6403
NSN 6130-01-602-7550