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 5965-01-207-7026
NSN 5985-01-497-2113
NSN 5945-00-126-7162
NSN 6135-00-471-5356
NSN 5925-01-496-7686
NSN 6240-01-623-2037
NSN 5920-01-352-0880
NSN 6240-00-156-1607
NSN 2925-01-370-6898
NSN 6685-01-564-1341
NSN 6650-01-633-9147
NSN 6620-01-219-9413