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drill tapping

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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 — 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 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 press — a drilling machine having a single vertical spindle. [1860 65, Amer.] * * * or drilling machine Machine tool for producing holes in hard substances. The drill is held in a rotating spindle and is fed into the workpiece, which is usually clamped… …   Universalium

  • tapping drill — noun 1. : tap drill 2. : a machine for tapping nuts …   Useful english dictionary

  • tapping —    Cutting a thread inside a drilled hole so it will accept a screw or plug in which a corresponding thread has been cut. Tapping is done with a tap drill. The process is used to fill pin holes in a bronze cast with fine bronze rod …   Glossary of Art Terms

  • tap drill — noun : a drill for drilling a hole of exact diameter for tapping …   Useful english dictionary

  • Tap and die — Not to be confused with Tool and die. Taps and dies are cutting tools used to create screw threads, which is called threading. A tap is used to cut the female portion of the mating pair (e.g., a nut). A die is used to cut the male portion of the… …   Wikipedia

  • Threading (manufacturing) — Threading is the process of creating a screw thread. More screw threads are produced each year than any other machine element.[1] There are many methods of generating threads, including subtractive methods (many kinds of thread cutting and… …   Wikipedia

  • Screw — This article is about the fastener. For other uses, see Screw (disambiguation). Screws come in a variety of shapes and sizes for different purposes. U.S. quarter coin (diameter 24 mm) shown for scale. A screw, or bolt, is a type of fastener… …   Wikipedia

  • William Hope Hodgson's short stories — This page contains information about the short stories of William Hope Hodgson.=The Sargasso Sea Stories=For further details about William Hope Hodgson s Sargasso Sea cycle of stories, see the article on William Hope Hodgson s Sargasso Sea… …   Wikipedia