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Cross-bladed chisel bit
Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
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Cross chopping bit, английский
Bit with cutting edges made by two chisel edges crossing at right angles with the intersection of chisel edges at the center of the bit face. used to chop (by impact) lost core or other obstructions in a borehole. also called cross bit, cross-bladed chisel bit, cruciform bit.
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Cross chopping bit, английский
Bit with cutting edges made by two chisel edges crossing at right angles with the intersection of chisel edges at the center of the bit face. used to chop (by impact) lost core or other obstructions in a borehole. also called cross bit, cross-bladed chisel bit, cruciform bit.
Couple up, английский
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