Bit mold

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A steel, carbon, or ceramic die in which the shape of a bit crown is incised and provided with pips, grooves, or holes in which diamonds are set and held by suction or an adhesive. Filling the die with a matrix alloy by a casting or a powder metal-sintering process affixes the shank to a diamond-inset bit crown having a shape conforming to that incised in the die. Syn: bit die; crown die; crown mold. Long

Source: Dictionary of Mining, Mineral, and Related Terms


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