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Inner-tube core lifter
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
A core lifter designed to fit and work inside a tubular container fitted to the lower end of the inner tube of a double-tube core barrel.
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Insert bit, английский
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 into a blank bit. hard-metal inserts may or may not contain diamonds. also called slug bit. see insert.
Inner stone, английский
A diamond inset on the inside wall of a bit crown.
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