- Industri: Mining
- Number of terms: 33118
- Number of blossaries: 0
- Company Profile:
The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources.
Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
A bit the size and design of which are as specified in standards accepted by the drilling industry.
Industry:Mining
A bit with two or more rolling discs that do the cutting. Used in rotary drilling through certain formations.
Industry:Mining
A bit, the crown of which is either surface set or impregnated with whole diamonds, as opposed to an impregnated or surface-set bit in which the inset diamonds are fragmented diamonds.
Industry:Mining