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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
Replacement 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 ...
Multilayer bit
Mining; General mining
A bit set with diamonds arranged in successive layers beneath the surface of the crown. Compare: impregnated bit; surface-set bit.
Standard bit
Mining; General mining
A bit the size and design of which are as specified in standards accepted by the drilling industry.
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