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 7035-01-490-5342
NSN 6610-01-067-4359
NSN 5960-00-250-7942
NSN 6145-01-384-3748
NSN 5985-01-424-6982
NSN 6610-00-508-1728
NSN 5999-01-629-9562
NSN 5975-01-230-5840
NSN 5915-01-082-8856
NSN 5930-01-136-1995
NSN 5999-01-555-8285
NSN 6240-01-100-7105