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 5975-01-630-0251
NSN 2925-01-437-9041
NSN 5895-01-122-8811
NSN 6685-00-155-8158
NSN 5998-00-256-6846
NSN 6645-00-961-5477
NSN 5910-00-722-5901
NSN 6135-00-725-9369
NSN 6610-01-210-8493
NSN 5999-01-401-5322
NSN 6645-01-457-7565
NSN 5945-01-184-2470