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rotary drill bit

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  • Drill bit sizes — Drill bits are the cutting tools of drilling machines. They can be made in any size to order, but standards organizations have defined sets of sizes that are produced routinely by drill bit manufacturers and stocked by distributors. In the U.S.,… …   Wikipedia

  • Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …   Wikipedia

  • Drill bit shank — The shank is the part of a drill bit grasped by the chuck of a drill. The cutting edges of the drill bit are at one end, and the shank is at the other. Different styles of shank/chuck combination deliver different performance, such as allowing… …   Wikipedia

  • drill pipe — noun or drill rod : a pipe or rod that drives a rotary drill bit (as in drilling wells) * * * (in oil well drilling or the like) any of several coupled tubes for rotating the bit and supplying drilling mud. * * * drill pipe, a pipe for driving a… …   Useful english dictionary

  • Drill cuttings — Drill cuttings[1] are the broken bits of solid material removed from a borehole drilled by rotary, percussion, or auger methods. Boreholes drilled in this way include oil or gas wells, water wells, and holes drilled for geotechnical… …   Wikipedia

  • Drill — For other uses, see Drill (disambiguation). Drill scheme A drill or drill motor is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for drilling holes in various materials or… …   Wikipedia

  • Drill string — A drill string on a drilling rig is a column, or string, of drill pipe that transmits drilling fluid (via the mud pumps) and torque (via the kelly drive or top drive) to the drill bit. The term is loosely applied as the assembled collection of… …   Wikipedia

  • drill — Synonyms and related words: SOP, accustom, aculeus, acumination, application, apprentice, apprenticeship, athletics, auger, basic training, bed, bit, bite, bone, boning, bore, bore bit, borer, brace and bit, brainwork, break, break in, breaking,… …   Moby Thesaurus

  • Drill and tap size chart — Below is a comprehensive drill and tap size chart for all drills, imperial and metric, and taps up to 36.5 mm. Contents 1 Chart 2 See also 3 References 4 External links …   Wikipedia

  • Bit (disambiguation) — The term bit (or bitt) may mean:*bit, a small amount of material *bit, past tense and past participle of bite * Bit, the basic unit of information storage, a single binary digit that is either 0 or 1 * Any of several relatively small pieces of… …   Wikipedia

  • drill stem — noun : the string of drill pipe that transmits power from the surface down to the drill bit in well drilling * * * drill stem, the part of a rotary drill that transmits power from the rotary table to the bit that grinds and crushes rocks. * * * n …   Useful english dictionary


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