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drill steel

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  • drill steel — noun carbon steel used for rock drills and dowels • Syn: ↑drill rod • Hypernyms: ↑carbon steel * * * noun or drill rod : steel usually with 0.85 percent or more carbon content used for rock drills, pins, and dowels …   Useful english dictionary

  • drill rod — noun carbon steel used for rock drills and dowels • Syn: ↑drill steel • Hypernyms: ↑carbon steel * * * I. noun see drill pipe II. noun see …   Useful english dictionary

  • Drill, Ye Tarriers, Drill — is an American folk song first published in 1888 and attributed to Thomas Casey (words) and much later Charles Connolly (music). The song is a work song, and makes references to the construction of the American railroads in the mid 19th century.… …   Wikipedia

  • drill collar — drill collar, a joint of hollow steel pipe fastening the drill pipe to the bit …   Useful english dictionary

  • 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 — 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 — drill1 drillable, adj. drillability, n. driller, n. /dril/, n. 1. Mach., Building Trades. a. a shaftlike tool with two or more cutting edges for making holes in firm materials, esp. by rotation. b. a tool, esp. a hand tool, for holding and… …   Universalium

  • Drill pipe — Drill pipe, is hollow, thick walled, steel piping that is used on drilling rigs to facilitate the drilling of a wellbore and comes in a variety of sizes, strengths, and weights but are typically 30 to 33 feet in length. They are hollow to allow… …   Wikipedia

  • drill — I (New American Roget s College Thesaurus) v. pierce, bore; train, exercise, practice; quiz. See opening, teaching, exertion, repetition. II (Roget s IV) n. 1. [Practice] Syn. preparation, repetition, learning by doing; see exercise 1 , practice… …   English dictionary for students

  • Drill bushing — A drill bushing, also known as a jig bushing,[1] is a tool used in metalworking jigs to guide cutting tools, most commonly drill bits. Other tools that are commonly used in a drill bushing include counterbores, countersinks, and reamers. They are …   Wikipedia

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