drag bit
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/4b/Climax-Molybdenum_Co.%2C_Drag_Bit_%288408415483%29.jpg/220px-Climax-Molybdenum_Co.%2C_Drag_Bit_%288408415483%29.jpg)
English
editNoun
edit- A drill bit usually designed for use in soft formation, such as sand clay, or some soft rock. Uses include drilling water wells, that consists of a drill pipe connector attached to blades on the end. The cutting edge of the drag bit is often tungsten carbide.