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General mining

General mining related terms and definitions in minerals and related activities.

Contributors in General mining

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.

Set bit

Mining; General mining

A bit insert with diamonds or other cutting media.

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