File:Screw thread forms.png

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Summary

Description
English: Outlines of seven common standard screw threads. They are:
(a) V-thread
(b) American National thread - Similar to today's Unified thread
(c) Whitworth or British Standard thread
(d) Square thread
(e) Acme thread
(f) Buttress thread
(g) Knuckle thread
Alterations to images: cut and pasted the seven original source images in different order into one image.
Date
Source Retrieved from Carl Lars Svenson (1919) Essentials of Drafting, D. Van Nostrand Co., New York, p. 41-42, fig. 82-88 on Google Books
Author Carl Lars Svenson

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Public domain
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
United States
United States
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

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current00:04, 7 February 2014Thumbnail for version as of 00:04, 7 February 20141,272 × 372 (34 KB)wikimediacommons>ChetvornoUser created page with UploadWizard

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