File:Lead and pitch in screws.png
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Summary
| Description |
English: Diagram showing the difference between "lead" and "pitch" in screws. The lead is the axial distance the screw moves in one revolution. The pitch is the axial distance between adjacent threads. They are the same in "single-start" screws, but in "multiple-start" screws the lead is equal to the pitch muliplied by the number of "starts". Alterations to original drawing: Removed dimensioning and added colored labels |
| Date | |
| Source | Downloaded original drawing from Erik Oberg, A. L. Valentine, Joseph M. Stabel (1910) Screw thread cutting, 3rd Ed., The Industrial Press, New York, p.4, fig.2 on Google Books |
| Author | Unknown author |
| Permission (Reusing this file) |
Public domain in USA - Published in USA prior to 1923 |
Licensing
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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.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:44, 3 April 2011 | | 724 × 384 (28 KB) | wikimediacommons>Chetvorno | {{Information |Description={{en|Diagram showing the difference between "''lead''" and "''pitch''" in screws. The lead is the axial distance the screw moves in one revolution. The pitch is the axial distance between adjacent threads. They are the same i |
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