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Definitions of rock drill
Definition that contains rock drill
  • drill steel carbon steel used for rock drills and dowels
  • star drill a steel rock drill with a star-shaped point that is used for making holes in stones or masonry; it is operated by hitting the end with a hammer while rotating it between blows
  • cross bit a rock drill having cruciform cutting edges; used in mining
  • straight flute a rock drill with flutes that are straight
  • drill rod carbon steel used for rock drills and dowels
  • straight-fluted drill a rock drill with flutes that are straight
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