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 5996-00-086-6542
NSN 5895-00-832-4553
NSN 6110-00-611-7470
NSN 6135-00-756-6149
NSN 5999-01-360-5868
NSN 5910-00-433-8613
NSN 5975-00-096-2720
NSN 6110-01-519-4548
NSN 6685-01-146-8007
NSN 5990-01-654-6203
NSN 6620-01-287-1443
NSN 6135-01-549-9135