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General mining
General mining related terms and definitions in minerals and related activities.
Industry: Mining
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General mining
Insert bit
Mining; General mining
A bit into which inset cutting points of various preshaped pieces of hard metal (usually a sintered, tungsten carbide-cobalt powder alloy) are brazed or hand-peened into slots or holes cut or drilled ...
Slug bit
Mining; General mining
A bit into which inset cutting points of various preshaped pieces of hard metal (usually a sintered, tungsten carbide-cobalt powder alloy) are brazed or hand-peened into slots or holes cut or drilled ...
Reset bit
Mining; General mining
A bit made by reusing the sound diamonds salvaged from a used drill bit and setting them in the crown attached to a new bit blank. Some new diamonds usually are added to those salvaged, since ...
Junk mill
Mining; General mining
A bit designed to grind or cut foreign metallic material or junk in a borehole into pieces small enough to be washed out of the hole or recovered by a basket. Compare: milling bit; rose bit.
Milling bit
Mining; General mining
A bit equipped with hardened serrations or teeth used to grind or cut away metallic materials or junk obstructing a borehole.
Rose bit
Mining; General mining
A bit equipped with hardened serrations or teeth used to grind or cut away metallic materials or junk obstructing a borehole.