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 5960-00-221-9614
NSN 5999-00-269-5320
NSN 6685-01-329-4837
NSN 6240-01-577-7170
NSN 6685-00-661-2347
NSN 5960-01-111-9918
NSN 5915-01-261-5650
NSN 6110-01-411-6660
NSN 5905-01-241-8803
NSN 6240-01-163-0086
NSN 5920-01-474-2227
NSN 6320-00-149-7570