6.500 in. Drop center; button bit; hammer bit
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 5996-00-205-2933
NSN 6135-00-120-1027
NSN 5990-01-360-0711
NSN 5910-01-250-1438
NSN 5935-01-544-0303
NSN 6610-00-395-2574
NSN 6650-01-294-5243
NSN 5925-00-576-8179
NSN 5935-01-134-2874
NSN 7035-01-167-2241
NSN 5960-01-599-9821
NSN 6685-01-019-4493