Hammer bit hole opener from 6.000in. To 10.000in. Diameter for strike force 6 d.H.11.
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 5855-00-149-0766
NSN 6105-01-136-6806
NSN 6105-00-147-2819
NSN 6130-00-133-0354
NSN 5950-00-185-5121
NSN 5990-00-583-9920
NSN 5910-01-551-1473
NSN 5835-00-998-5757
NSN 4140-00-702-4647
NSN 6240-00-504-2531
NSN 5960-00-579-0298
NSN 5935-01-201-2702