National Item Identification Number
00-641-7698
006417698
3820-00-641-7698
3820006417698
National Stock Number
Item Name
BIT,ROCK DRILL
Federal Supply Class
3820
Description
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.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
Required Categories
MATERIAL
CUTTING END TYPE
CLEANING HOLE LOCATION AND QUANTITY
ATTACHMENT METH
Required Description
STEEL
FOUR CUTTING EDGES
1 CENTER AND
1 SIDE
THREADED BOTTOM DRIVE
TIMKEN R