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 5910-00-583-4998
NSN 6145-01-305-3582
NSN 5925-00-155-2587
NSN 5925-01-498-3967
NSN 5920-00-823-0969
NSN 5960-00-683-7476
NSN 5950-01-032-8437
NSN 5965-01-483-1395
NSN 5920-01-032-5002
NSN 5996-01-654-2163
NSN 5930-01-535-6535
NSN 5920-00-150-1148