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 5960-00-061-7383
NSN 6610-01-200-6861
NSN 6145-00-258-3608
NSN 5960-01-010-3083
NSN 6645-01-390-1533
NSN 5920-00-137-8939
NSN 5930-01-190-7954
NSN 6150-00-210-6302
NSN 6610-00-140-1719
NSN 5930-00-011-9982
NSN 6650-01-218-4742
NSN 4140-01-180-0125