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 6645-00-399-1862
NSN 6150-01-605-1343
NSN 5985-00-538-5770
NSN 5965-00-434-7617
NSN 5930-00-610-6741
NSN 5930-01-342-5790
NSN 5950-00-531-6622
NSN 6620-00-726-4849
NSN 5835-01-394-3812
NSN 6135-00-983-9187
NSN 6105-01-572-0171
NSN 6110-01-202-8896