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 5950-01-126-4370
NSN 5975-01-436-5161
NSN 6240-00-195-6308
NSN 4140-00-456-2268
NSN 6240-01-599-2679
NSN 6105-01-164-3714
NSN 5935-01-112-6466
NSN 5935-01-559-6474
NSN 6685-01-398-0653
NSN 5945-01-431-5195
NSN 4140-01-400-3610
NSN 6105-00-410-4947