British Standard Fine

(BSF) The fine screw thread used on most British vehicles before metrication. The coarse thread was British Standard Whitworth

Dictionary of automotive terms. 2015.

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  • British standard fine thread — is a fine screw thread alternative to British Standard Whitworth thread.External links* [http://www.britishfasteners.com/threads/bsf.html Thread sizes] * [http://www.baconsdozen.co.uk/tools/spanners.htm#chart Size comparisons Whitworth/BSF/BA/AF… …   Wikipedia

  • British Standard Whitworth — (BSW) is one of a number of imperial unit based screw thread standards which use the same bolt heads and nut hexagonal sizes, some others being British Standard Fine thread (BSF) and British Standard Cycle. These three are collectively called… …   Wikipedia

  • standard — n. & adj. n. 1 an object or quality or measure serving as a basis or example or principle to which others conform or should conform or by which the accuracy or quality of others is judged (by present day standards). 2 a the degree of excellence… …   Useful english dictionary

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