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 6145-01-108-2617
NSN 5905-00-120-2668
NSN 5905-00-151-6653
NSN 5975-00-409-0791
NSN 5960-01-331-3817
NSN 5945-01-011-8292
NSN 6220-01-645-6645
NSN 5920-01-588-9914
NSN 6645-01-645-4291
NSN 5910-01-196-2080
NSN 5999-01-143-9187
NSN 6105-01-515-7201