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 6650-01-327-3068
NSN 5855-01-264-8599
NSN 5930-01-341-4833
NSN 5960-00-913-6195
NSN 5985-01-579-2091
NSN 5895-01-044-4987
NSN 6685-00-501-6501
NSN 6130-00-642-4264
NSN 5915-01-307-0563
NSN 5905-00-056-2644
NSN 6150-01-264-4618
NSN 6685-01-181-7203