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Description
Impregnirovanny drill bits are intended for drilling of breeds of the VIII-XII categories. Are characterized by uniform distribution on all volume of matrixes the metallized high-strength diamonds.
The similar structure of an impregnirovanny crown provides its efficiency when drilling on strong breeds.
Type of drilling: core unary kolonkovy pipes.
Type of drilling: core unary kolonkovy pipes.
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Drill bits 28I3-76
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