NASA NTRS · 19710000356
Improved diamond coring bits developed for dry and chip-flush drilling
Abstract
Two rotary diamond bit designs, one operating with a chip-flushing fluid, the second including auger section to remove drilled chips, enhance usefulness of tool for exploratory and industrial core-drilling of hard, abrasive mineral deposits and structural masonry.
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Decker, W. E., Hampe, W. R., Hampton, W. H., Simon, A. B.. 1971-09-01. Improved diamond coring bits developed for dry and chip-flush drilling. https://ntrs.nasa.gov/citations/19710000356
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