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  2. Core drill - Wikipedia

    en.wikipedia.org/wiki/Core_drill

    Truck-mounted core drill. A modern core drill is a drill specifically designed to remove a cylinder of material, much like a hole saw. The material left inside the drill bit is referred to as the core. Core drills used in metal are called annular cutters. Core drills used for concrete and hard rock generally use industrial diamond grit as the ...

  3. Exploration diamond drilling - Wikipedia

    en.wikipedia.org/wiki/Exploration_diamond_drilling

    Drilling rig capable of both diamond and reverse circulation drilling. Exploration diamond drilling is used in the mining industry to probe the contents of known ore deposits and potential sites. By withdrawing a small diameter core of rock from the orebody, geologists can analyze the core by chemical assay and conduct petrologic, structural ...

  4. Drifter drill - Wikipedia

    en.wikipedia.org/wiki/Drifter_drill

    Rotary rock drills often use bits coated in diamond (in the form of bort). [15] The diamonds are set into metal or ceramic such that the harder diamond protrudes as the softer material wears, shielding the bulk from further wear until the diamond slowly wears away. [10] For drilling through ice or frozen soil, heated drill bits may be used [16]

  5. Core sample - Wikipedia

    en.wikipedia.org/wiki/Core_sample

    Rock core samples, the product of a diamond rig. A pied butcherbird perches nearby. A core sample is a cylindrical section of (usually) a naturally-occurring substance. Most core samples are obtained by drilling with special drills into the substance, such as sediment or rock, with a hollow steel tube, called a core drill. The hole made for the ...

  6. Makita - Wikipedia

    en.wikipedia.org/wiki/Makita

    Makita circular saw. Makita Corporation (株式会社マキタ, kabushiki gaisha Makita) (TYO: 6586) is a Japanese manufacturer of power tools.Founded on March 21, 1915, it is based in Anjō, Japan and operates factories in Brazil, China, Japan, Mexico, Romania, the United Kingdom, Germany, United Arab Emirates, Thailand, Indonesia, Malaysia, Philippines, Canada, and the United States.

  7. Diamond tool - Wikipedia

    en.wikipedia.org/wiki/Diamond_tool

    Shaped diamond tools are used to process stone to a particular shape. Resin-bonded diamond polishing pads are used to polish stone. Construction: Medium or small sized diamond saw blades, diamond core drill bits and some diamond grinding or polishing tools are often used in repairing roads, remodeling buildings, and processing building materials.