/Screw_thread#History_of_standardization" title="Screw thread">Screw thread &gt; History of standardization</a></i></dd>
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<p>The Whitworth thread was the world's first national screw thread standard,<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span>[</span>1<span>]</span></a></sup> devised and specified by <a href="//en.wikipedia.org/wiki/Joseph_Whitworth" title="Joseph Whitworth">Joseph Whitworth</a> in 1841. Until then, the only standardization was what little had been done by indiv