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 5925-01-025-9612
NSN 5945-01-412-9999
NSN 6650-00-217-6292
NSN 5855-01-334-6594
NSN 5835-01-295-2431
NSN 6685-01-012-2597
NSN 5999-00-596-1930
NSN 6610-00-371-5953
NSN 5905-00-156-9766
NSN 5945-01-076-4463
NSN 5895-00-828-3994
NSN 5855-01-426-5589