Drilling Stocks List
Symbol | Grade | Name | % Change | |
---|---|---|---|---|
AJL | C | AJ Lucas Group Limited | 0.00 | |
AL8 | C | Alderan Resources Ltd | 0.00 | |
ANL | C | Amani Gold Ltd | 0.00 | |
ST1 | F | Arunta Resources Ltd | 4.76 | |
AHN | F | Athena Resources Limited | -16.67 | |
AUR | C | Auris Minerals Ltd | 0.00 | |
AVL | D | Australian Vanadium Ltd | 7.14 | |
BAT | B | Battery Minerals Ltd | 0.00 | |
BCN | B | Beacon Minerals Ltd | 0.00 | |
BLY | C | Boart Longyear Ltd. | 0.00 |
Related Industries: Copper Diversified Industrials Engineering & Construction Gold Industrial Metals & Minerals Oil & Gas Drilling Oil & Gas E&P Oil & Gas Equipment & Services Shipping & Ports Telecom Services Tools & Accessories
- Drilling
Drilling is a cutting process that uses a drill bit to cut a hole of circular cross-section in solid materials. The drill bit is usually a rotary cutting tool, often multi-point. The bit is pressed against the work-piece and rotated at rates from hundreds to thousands of revolutions per minute. This forces the cutting edge against the work-piece, cutting off chips (swarf) from the hole as it is drilled.
In rock drilling, the hole is usually not made through a circular cutting motion, though the bit is usually rotated. Instead, the hole is usually made by hammering a drill bit into the hole with quickly repeated short movements. The hammering action can be performed from outside the hole (top-hammer drill) or within the hole (down-the-hole drill, DTH). Drills used for horizontal drilling are called drifter drills.
In rare cases, specially-shaped bits are used to cut holes of non-circular cross-section; a square cross-section is possible.
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