File:Screw thread handedness.png
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Summary
| Description |
English: Drawing showing the difference between right-handed and left-handed screw threads. The handedness of screw threads is determined by the right hand grip rule; in a right-handed screw, if the fingers of the right hand are wrapped around the screw in the direction the screw is turning, the thumb will point in the direction the shaft moves. The type of screw thread shown is called a square thread. Alterations to image: cropped screw thread images out of source drawing, rotated them 90° and added captions |
| Date | |
| Source | Retrieved February 17, 2014 from Eugene Wycliffe Kerr (1908) Power and Power Transmission, 2nd Ed., John Wiley and Sons, New York, p. 79, fig. 61 on Google Books |
| Author | Eugene Wycliffe Kerr |
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 | 23:00, 17 February 2014 | | 513 × 517 (15 KB) | wikimediacommons>Chetvorno | User created page with UploadWizard |
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