national fine thread

national fine thread
(NF) A standard for the threads of nuts and bolts in which the number of threads per inch is much greater than a coarse (NC) nut or bolt. Also called unified National Fine thread. Observe the difference in the number of threads per inch (TPI) of the NF and NC in the following chart
See table.

Dictionary of automotive terms. 2015.

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  • fine thread — See national fine thread …   Dictionary of automotive terms

  • national coarse thread — (NC) A standard for the threads of nuts and bolts in which the number of threads per inch is much fewer than a fine (NF) nut or bolt. Observe the difference in the number of threads per inch (TPI) of the NF and NC in the following chart. Also… …   Dictionary of automotive terms

  • Unified National Fine thread — See UNF thread …   Dictionary of automotive terms

  • thread — [1] The spiral grooves on a screw, bolt, or nut. See left hand thread right hand thread. [2] helical groove in a cylindrical hole, nut, etc., formed a tap or lathe tool (female or internal thread). See B thread buttressed thread class A thread… …   Dictionary of automotive terms

  • fine — [1] Something that is made of very small particles. [2] The position of threads on a bolt or nut that are very close together. See national fine thread …   Dictionary of automotive terms

  • UNF thread — Unified National Fine thread; one of the screw threads used on British cars. See national fine thread. Compare UNC thread …   Dictionary of automotive terms

  • National Museum of Costume — Shambellie House Museum of Costume The National Museum of Costume is located at Shambellie House, in New Abbey, Dumfries and Galloway, Scotland and it forms part of the National Museums of Scotland. The museum allows a look at fashion and the… …   Wikipedia

  • Screw thread — Internal and external threads illustrated using a common nut and bolt. The screw and nut pair can be used to convert torque into linear force. As the screw (or bolt) is rotated, the screw moves along its axis through the fixed nut, or the non… …   Wikipedia

  • ISO metric screw thread — The ISO metric screw threads are the world wide most commonly used type of general purpose screw thread.[1] They were one of the first international standards agreed when the International Organization for Standardization was set up in… …   Wikipedia

  • Unified Thread Standard — Threads per inch redirects here. For the textile term, see Glossary of textile manufacturing#T. The Unified Thread Standard (UTS) defines a standard thread form and series along with allowances, tolerances, and designations for screw threads… …   Wikipedia

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